Home / 432,948,982.02-649,354,342.74-126,169,335.78

Finding the Fourth Proportional to 432,948,982.02, 649,354,342.74 and 126,169,335.78

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Solution

The fourth proportional to 432,948,982.02, 649,354,342.74 and 126,169,335.78 is: 189,233,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,948,982.02 : 649,354,342.74 = 126,169,335.78 : x
  2. Step 2: Convert to fraction form
    432,948,982.02/649,354,342.74 = 126,169,335.78/x
  3. Step 3: Cross multiply
    432,948,982.02x = 649,354,342.74 × 126,169,335.78
  4. Step 4: Simplify right side
    432,948,982.02x = 81,928,606,109,364,272
  5. Step 5: Solve for x
    x = 81,928,606,109,364,272/432,948,982.02
  6. Step 6: Final answer
    x = 189,233,857.83

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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.