Home / 136,747,493.60-188,711,454.48-74,867,815.76

Finding the Fourth Proportional to 136,747,493.60, 188,711,454.48 and 74,867,815.76

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Solution

The fourth proportional to 136,747,493.60, 188,711,454.48 and 74,867,815.76 is: 103,317,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,747,493.60 : 188,711,454.48 = 74,867,815.76 : x
  2. Step 2: Convert to fraction form
    136,747,493.60/188,711,454.48 = 74,867,815.76/x
  3. Step 3: Cross multiply
    136,747,493.60x = 188,711,454.48 × 74,867,815.76
  4. Step 4: Simplify right side
    136,747,493.60x = 14,128,414,405,810,266
  5. Step 5: Solve for x
    x = 14,128,414,405,810,266/136,747,493.60
  6. Step 6: Final answer
    x = 103,317,538.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.