Home / 87,990,436.18-131,985,654.48-46,925,463.87

Finding the Fourth Proportional to 87,990,436.18, 131,985,654.48 and 46,925,463.87

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Solution

The fourth proportional to 87,990,436.18, 131,985,654.48 and 46,925,463.87 is: 70,388,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,990,436.18 : 131,985,654.48 = 46,925,463.87 : x
  2. Step 2: Convert to fraction form
    87,990,436.18/131,985,654.48 = 46,925,463.87/x
  3. Step 3: Cross multiply
    87,990,436.18x = 131,985,654.48 × 46,925,463.87
  4. Step 4: Simplify right side
    87,990,436.18x = 6,193,488,059,764,988
  5. Step 5: Solve for x
    x = 6,193,488,059,764,988/87,990,436.18
  6. Step 6: Final answer
    x = 70,388,195.91

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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.