Home / 99,649,892.80-149,474,839.20-73,821,860.20

Finding the Fourth Proportional to 99,649,892.80, 149,474,839.20 and 73,821,860.20

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Solution

The fourth proportional to 99,649,892.80, 149,474,839.20 and 73,821,860.20 is: 110,732,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,892.80 : 149,474,839.20 = 73,821,860.20 : x
  2. Step 2: Convert to fraction form
    99,649,892.80/149,474,839.20 = 73,821,860.20/x
  3. Step 3: Cross multiply
    99,649,892.80x = 149,474,839.20 × 73,821,860.20
  4. Step 4: Simplify right side
    99,649,892.80x = 11,034,510,682,839,880
  5. Step 5: Solve for x
    x = 11,034,510,682,839,880/99,649,892.80
  6. Step 6: Final answer
    x = 110,732,790.30

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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.