Home / 101,687,411.32-140,329,531.02-55,277,739.88

Finding the Fourth Proportional to 101,687,411.32, 140,329,531.02 and 55,277,739.88

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Solution

The fourth proportional to 101,687,411.32, 140,329,531.02 and 55,277,739.88 is: 76,283,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,687,411.32 : 140,329,531.02 = 55,277,739.88 : x
  2. Step 2: Convert to fraction form
    101,687,411.32/140,329,531.02 = 55,277,739.88/x
  3. Step 3: Cross multiply
    101,687,411.32x = 140,329,531.02 × 55,277,739.88
  4. Step 4: Simplify right side
    101,687,411.32x = 7,757,099,313,205,952
  5. Step 5: Solve for x
    x = 7,757,099,313,205,952/101,687,411.32
  6. Step 6: Final answer
    x = 76,283,772.13

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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.