Home / 90,219,304.97-124,481,301.91-51,061,081.71

Finding the Fourth Proportional to 90,219,304.97, 124,481,301.91 and 51,061,081.71

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Solution

The fourth proportional to 90,219,304.97, 124,481,301.91 and 51,061,081.71 is: 70,452,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,304.97 : 124,481,301.91 = 51,061,081.71 : x
  2. Step 2: Convert to fraction form
    90,219,304.97/124,481,301.91 = 51,061,081.71/x
  3. Step 3: Cross multiply
    90,219,304.97x = 124,481,301.91 × 51,061,081.71
  4. Step 4: Simplify right side
    90,219,304.97x = 6,356,149,927,599,231
  5. Step 5: Solve for x
    x = 6,356,149,927,599,231/90,219,304.97
  6. Step 6: Final answer
    x = 70,452,215.63

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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.