Home / 80,967,578.10-121,451,367.15-73,157,363.70

Finding the Fourth Proportional to 80,967,578.10, 121,451,367.15 and 73,157,363.70

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Solution

The fourth proportional to 80,967,578.10, 121,451,367.15 and 73,157,363.70 is: 109,736,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967,578.10 : 121,451,367.15 = 73,157,363.70 : x
  2. Step 2: Convert to fraction form
    80,967,578.10/121,451,367.15 = 73,157,363.70/x
  3. Step 3: Cross multiply
    80,967,578.10x = 121,451,367.15 × 73,157,363.70
  4. Step 4: Simplify right side
    80,967,578.10x = 8,885,061,838,454,783
  5. Step 5: Solve for x
    x = 8,885,061,838,454,783/80,967,578.10
  6. Step 6: Final answer
    x = 109,736,045.55

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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.