Home / 126,070,939.48-188,718,549.96-82,257,356.56

Finding the Fourth Proportional to 126,070,939.48, 188,718,549.96 and 82,257,356.56

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Solution

The fourth proportional to 126,070,939.48, 188,718,549.96 and 82,257,356.56 is: 123,132,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,939.48 : 188,718,549.96 = 82,257,356.56 : x
  2. Step 2: Convert to fraction form
    126,070,939.48/188,718,549.96 = 82,257,356.56/x
  3. Step 3: Cross multiply
    126,070,939.48x = 188,718,549.96 × 82,257,356.56
  4. Step 4: Simplify right side
    126,070,939.48x = 15,523,489,053,545,894
  5. Step 5: Solve for x
    x = 15,523,489,053,545,894/126,070,939.48
  6. Step 6: Final answer
    x = 123,132,968.77

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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.