Home / 432,694,469.52-649,036,035.08-105,169,031.20

Finding the Fourth Proportional to 432,694,469.52, 649,036,035.08 and 105,169,031.20

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Solution

The fourth proportional to 432,694,469.52, 649,036,035.08 and 105,169,031.20 is: 157,752,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,694,469.52 : 649,036,035.08 = 105,169,031.20 : x
  2. Step 2: Convert to fraction form
    432,694,469.52/649,036,035.08 = 105,169,031.20/x
  3. Step 3: Cross multiply
    432,694,469.52x = 649,036,035.08 × 105,169,031.20
  4. Step 4: Simplify right side
    432,694,469.52x = 68,258,491,023,252,824
  5. Step 5: Solve for x
    x = 68,258,491,023,252,824/432,694,469.52
  6. Step 6: Final answer
    x = 157,752,168.87

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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.