Home / 102,066,314,535.78-140,851,022,964.77-56,340,189,968.84

Finding the Fourth Proportional to 102,066,314,535.78, 140,851,022,964.77 and 56,340,189,968.84

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Solution

The fourth proportional to 102,066,314,535.78, 140,851,022,964.77 and 56,340,189,968.84 is: 77,749,191,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,066,314,535.78 : 140,851,022,964.77 = 56,340,189,968.84 : x
  2. Step 2: Convert to fraction form
    102,066,314,535.78/140,851,022,964.77 = 56,340,189,968.84/x
  3. Step 3: Cross multiply
    102,066,314,535.78x = 140,851,022,964.77 × 56,340,189,968.84
  4. Step 4: Simplify right side
    102,066,314,535.78x = 7,935,573,391,140,586,520,576
  5. Step 5: Solve for x
    x = 7,935,573,391,140,586,520,576/102,066,314,535.78
  6. Step 6: Final answer
    x = 77,749,191,074.78

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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.