Home / 215,917,489.60-323,876,234.40-195,090,251.20

Finding the Fourth Proportional to 215,917,489.60, 323,876,234.40 and 195,090,251.20

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Solution

The fourth proportional to 215,917,489.60, 323,876,234.40 and 195,090,251.20 is: 292,635,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,917,489.60 : 323,876,234.40 = 195,090,251.20 : x
  2. Step 2: Convert to fraction form
    215,917,489.60/323,876,234.40 = 195,090,251.20/x
  3. Step 3: Cross multiply
    215,917,489.60x = 323,876,234.40 × 195,090,251.20
  4. Step 4: Simplify right side
    215,917,489.60x = 63,185,095,926,806,072
  5. Step 5: Solve for x
    x = 63,185,095,926,806,072/215,917,489.60
  6. Step 6: Final answer
    x = 292,635,376.80

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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.