Home / 87,942,714.80-131,914,072.20-39,369,007.40

Finding the Fourth Proportional to 87,942,714.80, 131,914,072.20 and 39,369,007.40

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Solution

The fourth proportional to 87,942,714.80, 131,914,072.20 and 39,369,007.40 is: 59,053,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,714.80 : 131,914,072.20 = 39,369,007.40 : x
  2. Step 2: Convert to fraction form
    87,942,714.80/131,914,072.20 = 39,369,007.40/x
  3. Step 3: Cross multiply
    87,942,714.80x = 131,914,072.20 × 39,369,007.40
  4. Step 4: Simplify right side
    87,942,714.80x = 5,193,326,084,605,934
  5. Step 5: Solve for x
    x = 5,193,326,084,605,934/87,942,714.80
  6. Step 6: Final answer
    x = 59,053,511.10

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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.