Home / 99,652,252.20-149,478,378.30-45,904,540.20

Finding the Fourth Proportional to 99,652,252.20, 149,478,378.30 and 45,904,540.20

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Solution

The fourth proportional to 99,652,252.20, 149,478,378.30 and 45,904,540.20 is: 68,856,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,252.20 : 149,478,378.30 = 45,904,540.20 : x
  2. Step 2: Convert to fraction form
    99,652,252.20/149,478,378.30 = 45,904,540.20/x
  3. Step 3: Cross multiply
    99,652,252.20x = 149,478,378.30 × 45,904,540.20
  4. Step 4: Simplify right side
    99,652,252.20x = 6,861,736,225,703,159
  5. Step 5: Solve for x
    x = 6,861,736,225,703,159/99,652,252.20
  6. Step 6: Final answer
    x = 68,856,810.30

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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.