Home / 56,376,115.20-84,564,172.80-38,189,023.20

Finding the Fourth Proportional to 56,376,115.20, 84,564,172.80 and 38,189,023.20

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Solution

The fourth proportional to 56,376,115.20, 84,564,172.80 and 38,189,023.20 is: 57,283,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,115.20 : 84,564,172.80 = 38,189,023.20 : x
  2. Step 2: Convert to fraction form
    56,376,115.20/84,564,172.80 = 38,189,023.20/x
  3. Step 3: Cross multiply
    56,376,115.20x = 84,564,172.80 × 38,189,023.20
  4. Step 4: Simplify right side
    56,376,115.20x = 3,229,423,156,948,009
  5. Step 5: Solve for x
    x = 3,229,423,156,948,009/56,376,115.20
  6. Step 6: Final answer
    x = 57,283,534.80

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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.