Home / 56,935,821.20-85,403,731.80-54,148,902.80

Finding the Fourth Proportional to 56,935,821.20, 85,403,731.80 and 54,148,902.80

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Solution

The fourth proportional to 56,935,821.20, 85,403,731.80 and 54,148,902.80 is: 81,223,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,821.20 : 85,403,731.80 = 54,148,902.80 : x
  2. Step 2: Convert to fraction form
    56,935,821.20/85,403,731.80 = 54,148,902.80/x
  3. Step 3: Cross multiply
    56,935,821.20x = 85,403,731.80 × 54,148,902.80
  4. Step 4: Simplify right side
    56,935,821.20x = 4,624,518,371,995,469
  5. Step 5: Solve for x
    x = 4,624,518,371,995,469/56,935,821.20
  6. Step 6: Final answer
    x = 81,223,354.20

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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.