Home / 129,929,502.26-194,918,833.96-52,212,456.16

Finding the Fourth Proportional to 129,929,502.26, 194,918,833.96 and 52,212,456.16

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Solution

The fourth proportional to 129,929,502.26, 194,918,833.96 and 52,212,456.16 is: 78,328,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929,502.26 : 194,918,833.96 = 52,212,456.16 : x
  2. Step 2: Convert to fraction form
    129,929,502.26/194,918,833.96 = 52,212,456.16/x
  3. Step 3: Cross multiply
    129,929,502.26x = 194,918,833.96 × 52,212,456.16
  4. Step 4: Simplify right side
    129,929,502.26x = 10,177,191,072,276,992
  5. Step 5: Solve for x
    x = 10,177,191,072,276,992/129,929,502.26
  6. Step 6: Final answer
    x = 78,328,561.99

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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.