Home / 99,642,639.20-149,463,958.80-88,893,096.80

Finding the Fourth Proportional to 99,642,639.20, 149,463,958.80 and 88,893,096.80

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Solution

The fourth proportional to 99,642,639.20, 149,463,958.80 and 88,893,096.80 is: 133,339,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,639.20 : 149,463,958.80 = 88,893,096.80 : x
  2. Step 2: Convert to fraction form
    99,642,639.20/149,463,958.80 = 88,893,096.80/x
  3. Step 3: Cross multiply
    99,642,639.20x = 149,463,958.80 × 88,893,096.80
  4. Step 4: Simplify right side
    99,642,639.20x = 13,286,314,157,719,612
  5. Step 5: Solve for x
    x = 13,286,314,157,719,612/99,642,639.20
  6. Step 6: Final answer
    x = 133,339,645.20

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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.