Home / 80,897,000.70-121,345,501.05-29,768,439.90

Finding the Fourth Proportional to 80,897,000.70, 121,345,501.05 and 29,768,439.90

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Solution

The fourth proportional to 80,897,000.70, 121,345,501.05 and 29,768,439.90 is: 44,652,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,897,000.70 : 121,345,501.05 = 29,768,439.90 : x
  2. Step 2: Convert to fraction form
    80,897,000.70/121,345,501.05 = 29,768,439.90/x
  3. Step 3: Cross multiply
    80,897,000.70x = 121,345,501.05 × 29,768,439.90
  4. Step 4: Simplify right side
    80,897,000.70x = 3,612,266,255,142,311.50
  5. Step 5: Solve for x
    x = 3,612,266,255,142,311.50/80,897,000.70
  6. Step 6: Final answer
    x = 44,652,659.85

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Similar ratio
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1.5x scale

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.