Home / 88,581,691.20-132,872,536.80-72,425,884.80

Finding the Fourth Proportional to 88,581,691.20, 132,872,536.80 and 72,425,884.80

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Solution

The fourth proportional to 88,581,691.20, 132,872,536.80 and 72,425,884.80 is: 108,638,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,691.20 : 132,872,536.80 = 72,425,884.80 : x
  2. Step 2: Convert to fraction form
    88,581,691.20/132,872,536.80 = 72,425,884.80/x
  3. Step 3: Cross multiply
    88,581,691.20x = 132,872,536.80 × 72,425,884.80
  4. Step 4: Simplify right side
    88,581,691.20x = 9,623,411,043,360,560
  5. Step 5: Solve for x
    x = 9,623,411,043,360,560/88,581,691.20
  6. Step 6: Final answer
    x = 108,638,827.20

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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.