Home / 102,066,314,534.79-140,851,022,963.39-56,340,189,967.84

Finding the Fourth Proportional to 102,066,314,534.79, 140,851,022,963.39 and 56,340,189,967.84

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Solution

The fourth proportional to 102,066,314,534.79, 140,851,022,963.39 and 56,340,189,967.84 is: 77,749,191,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,066,314,534.79 : 140,851,022,963.39 = 56,340,189,967.84 : x
  2. Step 2: Convert to fraction form
    102,066,314,534.79/140,851,022,963.39 = 56,340,189,967.84/x
  3. Step 3: Cross multiply
    102,066,314,534.79x = 140,851,022,963.39 × 56,340,189,967.84
  4. Step 4: Simplify right side
    102,066,314,534.79x = 7,935,573,390,921,565,208,576
  5. Step 5: Solve for x
    x = 7,935,573,390,921,565,208,576/102,066,314,534.79
  6. Step 6: Final answer
    x = 77,749,191,073.38

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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.