Home / 99,680,115.20-149,284,243.20-67,593,689.60

Finding the Fourth Proportional to 99,680,115.20, 149,284,243.20 and 67,593,689.60

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Solution

The fourth proportional to 99,680,115.20, 149,284,243.20 and 67,593,689.60 is: 101,230,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,115.20 : 149,284,243.20 = 67,593,689.60 : x
  2. Step 2: Convert to fraction form
    99,680,115.20/149,284,243.20 = 67,593,689.60/x
  3. Step 3: Cross multiply
    99,680,115.20x = 149,284,243.20 × 67,593,689.60
  4. Step 4: Simplify right side
    99,680,115.20x = 10,090,672,797,031,710
  5. Step 5: Solve for x
    x = 10,090,672,797,031,710/99,680,115.20
  6. Step 6: Final answer
    x = 101,230,549.11

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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.