Home / 155,993,032.62-215,267,754.94-86,376,918.83

Finding the Fourth Proportional to 155,993,032.62, 215,267,754.94 and 86,376,918.83

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Solution

The fourth proportional to 155,993,032.62, 215,267,754.94 and 86,376,918.83 is: 119,198,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993,032.62 : 215,267,754.94 = 86,376,918.83 : x
  2. Step 2: Convert to fraction form
    155,993,032.62/215,267,754.94 = 86,376,918.83/x
  3. Step 3: Cross multiply
    155,993,032.62x = 215,267,754.94 × 86,376,918.83
  4. Step 4: Simplify right side
    155,993,032.62x = 18,594,165,393,876,432
  5. Step 5: Solve for x
    x = 18,594,165,393,876,432/155,993,032.62
  6. Step 6: Final answer
    x = 119,198,691.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.