Home / 432,948,962.52-649,354,313.52-126,169,316.28

Finding the Fourth Proportional to 432,948,962.52, 649,354,313.52 and 126,169,316.28

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Solution

The fourth proportional to 432,948,962.52, 649,354,313.52 and 126,169,316.28 is: 189,233,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,948,962.52 : 649,354,313.52 = 126,169,316.28 : x
  2. Step 2: Convert to fraction form
    432,948,962.52/649,354,313.52 = 126,169,316.28/x
  3. Step 3: Cross multiply
    432,948,962.52x = 649,354,313.52 × 126,169,316.28
  4. Step 4: Simplify right side
    432,948,962.52x = 81,928,589,760,287,152
  5. Step 5: Solve for x
    x = 81,928,589,760,287,152/432,948,962.52
  6. Step 6: Final answer
    x = 189,233,828.59

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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.