Home / 107,862,665.60-161,793,998.40-39,691,251.20

Finding the Fourth Proportional to 107,862,665.60, 161,793,998.40 and 39,691,251.20

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Solution

The fourth proportional to 107,862,665.60, 161,793,998.40 and 39,691,251.20 is: 59,536,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,862,665.60 : 161,793,998.40 = 39,691,251.20 : x
  2. Step 2: Convert to fraction form
    107,862,665.60/161,793,998.40 = 39,691,251.20/x
  3. Step 3: Cross multiply
    107,862,665.60x = 161,793,998.40 × 39,691,251.20
  4. Step 4: Simplify right side
    107,862,665.60x = 6,421,806,233,146,799
  5. Step 5: Solve for x
    x = 6,421,806,233,146,799/107,862,665.60
  6. Step 6: Final answer
    x = 59,536,876.80

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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.