Home / 137,344,577.40-206,016,866.10-118,850,430.60

Finding the Fourth Proportional to 137,344,577.40, 206,016,866.10 and 118,850,430.60

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Solution

The fourth proportional to 137,344,577.40, 206,016,866.10 and 118,850,430.60 is: 178,275,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,577.40 : 206,016,866.10 = 118,850,430.60 : x
  2. Step 2: Convert to fraction form
    137,344,577.40/206,016,866.10 = 118,850,430.60/x
  3. Step 3: Cross multiply
    137,344,577.40x = 206,016,866.10 × 118,850,430.60
  4. Step 4: Simplify right side
    137,344,577.40x = 24,485,193,246,847,540
  5. Step 5: Solve for x
    x = 24,485,193,246,847,540/137,344,577.40
  6. Step 6: Final answer
    x = 178,275,645.90

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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.