Home / 88,717,397.20-132,877,030.20-72,792,149.20

Finding the Fourth Proportional to 88,717,397.20, 132,877,030.20 and 72,792,149.20

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Solution

The fourth proportional to 88,717,397.20, 132,877,030.20 and 72,792,149.20 is: 109,024,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717,397.20 : 132,877,030.20 = 72,792,149.20 : x
  2. Step 2: Convert to fraction form
    88,717,397.20/132,877,030.20 = 72,792,149.20/x
  3. Step 3: Cross multiply
    88,717,397.20x = 132,877,030.20 × 72,792,149.20
  4. Step 4: Simplify right side
    88,717,397.20x = 9,672,404,607,571,306
  5. Step 5: Solve for x
    x = 9,672,404,607,571,306/88,717,397.20
  6. Step 6: Final answer
    x = 109,024,891.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.