Home / 99,649,869.30-149,474,803.95-73,821,836.70

Finding the Fourth Proportional to 99,649,869.30, 149,474,803.95 and 73,821,836.70

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Solution

The fourth proportional to 99,649,869.30, 149,474,803.95 and 73,821,836.70 is: 110,732,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,869.30 : 149,474,803.95 = 73,821,836.70 : x
  2. Step 2: Convert to fraction form
    99,649,869.30/149,474,803.95 = 73,821,836.70/x
  3. Step 3: Cross multiply
    99,649,869.30x = 149,474,803.95 × 73,821,836.70
  4. Step 4: Simplify right side
    99,649,869.30x = 11,034,504,567,961,414
  5. Step 5: Solve for x
    x = 11,034,504,567,961,414/99,649,869.30
  6. Step 6: Final answer
    x = 110,732,755.05

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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.