Home / 107,866,469.60-161,799,704.40-31,191,999.20

Finding the Fourth Proportional to 107,866,469.60, 161,799,704.40 and 31,191,999.20

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Solution

The fourth proportional to 107,866,469.60, 161,799,704.40 and 31,191,999.20 is: 46,787,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,866,469.60 : 161,799,704.40 = 31,191,999.20 : x
  2. Step 2: Convert to fraction form
    107,866,469.60/161,799,704.40 = 31,191,999.20/x
  3. Step 3: Cross multiply
    107,866,469.60x = 161,799,704.40 × 31,191,999.20
  4. Step 4: Simplify right side
    107,866,469.60x = 5,046,856,250,205,037
  5. Step 5: Solve for x
    x = 5,046,856,250,205,037/107,866,469.60
  6. Step 6: Final answer
    x = 46,787,998.80

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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.