Home / 102,066,314,551.73-140,851,022,986.69-56,340,189,984.72

Finding the Fourth Proportional to 102,066,314,551.73, 140,851,022,986.69 and 56,340,189,984.72

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Solution

The fourth proportional to 102,066,314,551.73, 140,851,022,986.69 and 56,340,189,984.72 is: 77,749,191,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,066,314,551.73 : 140,851,022,986.69 = 56,340,189,984.72 : x
  2. Step 2: Convert to fraction form
    102,066,314,551.73/140,851,022,986.69 = 56,340,189,984.72/x
  3. Step 3: Cross multiply
    102,066,314,551.73x = 140,851,022,986.69 × 56,340,189,984.72
  4. Step 4: Simplify right side
    102,066,314,551.73x = 7,935,573,394,612,279,050,240
  5. Step 5: Solve for x
    x = 7,935,573,394,612,279,050,240/102,066,314,551.73
  6. Step 6: Final answer
    x = 77,749,191,096.64

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Double scale
Find fourth proportional to 102,066,314,552.73, 140,851,022,988.07 and 56,340,189,985.72
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.