Home / 66,436,233.90-99,654,350.85-54,319,379.10

Finding the Fourth Proportional to 66,436,233.90, 99,654,350.85 and 54,319,379.10

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Solution

The fourth proportional to 66,436,233.90, 99,654,350.85 and 54,319,379.10 is: 81,479,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,233.90 : 99,654,350.85 = 54,319,379.10 : x
  2. Step 2: Convert to fraction form
    66,436,233.90/99,654,350.85 = 54,319,379.10/x
  3. Step 3: Cross multiply
    66,436,233.90x = 99,654,350.85 × 54,319,379.10
  4. Step 4: Simplify right side
    66,436,233.90x = 5,413,162,462,785,557
  5. Step 5: Solve for x
    x = 5,413,162,462,785,557/66,436,233.90
  6. Step 6: Final answer
    x = 81,479,068.65

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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.