Home / 137,711,325.60-206,518,765.05-40,641,330.60

Finding the Fourth Proportional to 137,711,325.60, 206,518,765.05 and 40,641,330.60

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Solution

The fourth proportional to 137,711,325.60, 206,518,765.05 and 40,641,330.60 is: 60,947,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,711,325.60 : 206,518,765.05 = 40,641,330.60 : x
  2. Step 2: Convert to fraction form
    137,711,325.60/206,518,765.05 = 40,641,330.60/x
  3. Step 3: Cross multiply
    137,711,325.60x = 206,518,765.05 × 40,641,330.60
  4. Step 4: Simplify right side
    137,711,325.60x = 8,393,197,405,500,776
  5. Step 5: Solve for x
    x = 8,393,197,405,500,776/137,711,325.60
  6. Step 6: Final answer
    x = 60,947,764.24

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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.