Home / 72,425,937.40-108,638,906.10-59,660,855.80

Finding the Fourth Proportional to 72,425,937.40, 108,638,906.10 and 59,660,855.80

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Solution

The fourth proportional to 72,425,937.40, 108,638,906.10 and 59,660,855.80 is: 89,491,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425,937.40 : 108,638,906.10 = 59,660,855.80 : x
  2. Step 2: Convert to fraction form
    72,425,937.40/108,638,906.10 = 59,660,855.80/x
  3. Step 3: Cross multiply
    72,425,937.40x = 108,638,906.10 × 59,660,855.80
  4. Step 4: Simplify right side
    72,425,937.40x = 6,481,490,111,101,840
  5. Step 5: Solve for x
    x = 6,481,490,111,101,840/72,425,937.40
  6. Step 6: Final answer
    x = 89,491,283.70

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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.