Home / 90,221,456.16-124,502,279.28-48,967,462.80

Finding the Fourth Proportional to 90,221,456.16, 124,502,279.28 and 48,967,462.80

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Solution

The fourth proportional to 90,221,456.16, 124,502,279.28 and 48,967,462.80 is: 67,573,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,221,456.16 : 124,502,279.28 = 48,967,462.80 : x
  2. Step 2: Convert to fraction form
    90,221,456.16/124,502,279.28 = 48,967,462.80/x
  3. Step 3: Cross multiply
    90,221,456.16x = 124,502,279.28 × 48,967,462.80
  4. Step 4: Simplify right side
    90,221,456.16x = 6,096,560,729,158,610
  5. Step 5: Solve for x
    x = 6,096,560,729,158,610/90,221,456.16
  6. Step 6: Final answer
    x = 67,573,291.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.