Home / 107,932,002.20-161,842,016.10-39,739,592.60

Finding the Fourth Proportional to 107,932,002.20, 161,842,016.10 and 39,739,592.60

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Solution

The fourth proportional to 107,932,002.20, 161,842,016.10 and 39,739,592.60 is: 59,588,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,932,002.20 : 161,842,016.10 = 39,739,592.60 : x
  2. Step 2: Convert to fraction form
    107,932,002.20/161,842,016.10 = 39,739,592.60/x
  3. Step 3: Cross multiply
    107,932,002.20x = 161,842,016.10 × 39,739,592.60
  4. Step 4: Simplify right side
    107,932,002.20x = 6,431,535,785,376,641
  5. Step 5: Solve for x
    x = 6,431,535,785,376,641/107,932,002.20
  6. Step 6: Final answer
    x = 59,588,774.92

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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.