Home / 80,643,785.70-120,888,264.15-26,763,363.30

Finding the Fourth Proportional to 80,643,785.70, 120,888,264.15 and 26,763,363.30

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Solution

The fourth proportional to 80,643,785.70, 120,888,264.15 and 26,763,363.30 is: 40,119,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643,785.70 : 120,888,264.15 = 26,763,363.30 : x
  2. Step 2: Convert to fraction form
    80,643,785.70/120,888,264.15 = 26,763,363.30/x
  3. Step 3: Cross multiply
    80,643,785.70x = 120,888,264.15 × 26,763,363.30
  4. Step 4: Simplify right side
    80,643,785.70x = 3,235,376,532,152,816
  5. Step 5: Solve for x
    x = 3,235,376,532,152,816/80,643,785.70
  6. Step 6: Final answer
    x = 40,119,353.33

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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.