Home / 187,272,022.80-280,908,034.20-153,231,805.20

Finding the Fourth Proportional to 187,272,022.80, 280,908,034.20 and 153,231,805.20

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Solution

The fourth proportional to 187,272,022.80, 280,908,034.20 and 153,231,805.20 is: 229,847,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,022.80 : 280,908,034.20 = 153,231,805.20 : x
  2. Step 2: Convert to fraction form
    187,272,022.80/280,908,034.20 = 153,231,805.20/x
  3. Step 3: Cross multiply
    187,272,022.80x = 280,908,034.20 × 153,231,805.20
  4. Step 4: Simplify right side
    187,272,022.80x = 43,044,045,175,649,336
  5. Step 5: Solve for x
    x = 43,044,045,175,649,336/187,272,022.80
  6. Step 6: Final answer
    x = 229,847,707.80

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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.