Home / 80,856,800.10-121,285,200.15-37,810,079.10

Finding the Fourth Proportional to 80,856,800.10, 121,285,200.15 and 37,810,079.10

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Solution

The fourth proportional to 80,856,800.10, 121,285,200.15 and 37,810,079.10 is: 56,715,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856,800.10 : 121,285,200.15 = 37,810,079.10 : x
  2. Step 2: Convert to fraction form
    80,856,800.10/121,285,200.15 = 37,810,079.10/x
  3. Step 3: Cross multiply
    80,856,800.10x = 121,285,200.15 × 37,810,079.10
  4. Step 4: Simplify right side
    80,856,800.10x = 4,585,803,011,330,832
  5. Step 5: Solve for x
    x = 4,585,803,011,330,832/80,856,800.10
  6. Step 6: Final answer
    x = 56,715,118.65

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Double scale
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Similar ratio
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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.