Home / 80,853,211.70-121,279,817.55-29,724,650.90

Finding the Fourth Proportional to 80,853,211.70, 121,279,817.55 and 29,724,650.90

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Solution

The fourth proportional to 80,853,211.70, 121,279,817.55 and 29,724,650.90 is: 44,586,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,211.70 : 121,279,817.55 = 29,724,650.90 : x
  2. Step 2: Convert to fraction form
    80,853,211.70/121,279,817.55 = 29,724,650.90/x
  3. Step 3: Cross multiply
    80,853,211.70x = 121,279,817.55 × 29,724,650.90
  4. Step 4: Simplify right side
    80,853,211.70x = 3,605,000,237,889,443
  5. Step 5: Solve for x
    x = 3,605,000,237,889,443/80,853,211.70
  6. Step 6: Final answer
    x = 44,586,976.35

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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.