Home / 137,711,326.60-206,518,766.55-40,641,331.60

Finding the Fourth Proportional to 137,711,326.60, 206,518,766.55 and 40,641,331.60

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Solution

The fourth proportional to 137,711,326.60, 206,518,766.55 and 40,641,331.60 is: 60,947,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,711,326.60 : 206,518,766.55 = 40,641,331.60 : x
  2. Step 2: Convert to fraction form
    137,711,326.60/206,518,766.55 = 40,641,331.60/x
  3. Step 3: Cross multiply
    137,711,326.60x = 206,518,766.55 × 40,641,331.60
  4. Step 4: Simplify right side
    137,711,326.60x = 8,393,197,672,981,539
  5. Step 5: Solve for x
    x = 8,393,197,672,981,539/137,711,326.60
  6. Step 6: Final answer
    x = 60,947,765.74

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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.