Home / 139,720,724.20-209,581,086.30-48,853,498.60

Finding the Fourth Proportional to 139,720,724.20, 209,581,086.30 and 48,853,498.60

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Solution

The fourth proportional to 139,720,724.20, 209,581,086.30 and 48,853,498.60 is: 73,280,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,720,724.20 : 209,581,086.30 = 48,853,498.60 : x
  2. Step 2: Convert to fraction form
    139,720,724.20/209,581,086.30 = 48,853,498.60/x
  3. Step 3: Cross multiply
    139,720,724.20x = 209,581,086.30 × 48,853,498.60
  4. Step 4: Simplify right side
    139,720,724.20x = 10,238,769,306,143,530
  5. Step 5: Solve for x
    x = 10,238,769,306,143,530/139,720,724.20
  6. Step 6: Final answer
    x = 73,280,247.90

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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.