Home / 188,976,391.82-283,403,312.10-72,385,543.83

Finding the Fourth Proportional to 188,976,391.82, 283,403,312.10 and 72,385,543.83

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Solution

The fourth proportional to 188,976,391.82, 283,403,312.10 and 72,385,543.83 is: 108,554,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,976,391.82 : 283,403,312.10 = 72,385,543.83 : x
  2. Step 2: Convert to fraction form
    188,976,391.82/283,403,312.10 = 72,385,543.83/x
  3. Step 3: Cross multiply
    188,976,391.82x = 283,403,312.10 × 72,385,543.83
  4. Step 4: Simplify right side
    188,976,391.82x = 20,514,302,869,581,720
  5. Step 5: Solve for x
    x = 20,514,302,869,581,720/188,976,391.82
  6. Step 6: Final answer
    x = 108,554,844.72

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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.