Home / 80,812,349.80-121,218,524.70-29,731,028.20

Finding the Fourth Proportional to 80,812,349.80, 121,218,524.70 and 29,731,028.20

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Solution

The fourth proportional to 80,812,349.80, 121,218,524.70 and 29,731,028.20 is: 44,596,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,812,349.80 : 121,218,524.70 = 29,731,028.20 : x
  2. Step 2: Convert to fraction form
    80,812,349.80/121,218,524.70 = 29,731,028.20/x
  3. Step 3: Cross multiply
    80,812,349.80x = 121,218,524.70 × 29,731,028.20
  4. Step 4: Simplify right side
    80,812,349.80x = 3,603,951,376,218,096.50
  5. Step 5: Solve for x
    x = 3,603,951,376,218,096.50/80,812,349.80
  6. Step 6: Final answer
    x = 44,596,542.30

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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.