Home / 55,305,948.20-82,962,908.10-21,227,294.08

Finding the Fourth Proportional to 55,305,948.20, 82,962,908.10 and 21,227,294.08

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Solution

The fourth proportional to 55,305,948.20, 82,962,908.10 and 21,227,294.08 is: 31,842,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305,948.20 : 82,962,908.10 = 21,227,294.08 : x
  2. Step 2: Convert to fraction form
    55,305,948.20/82,962,908.10 = 21,227,294.08/x
  3. Step 3: Cross multiply
    55,305,948.20x = 82,962,908.10 × 21,227,294.08
  4. Step 4: Simplify right side
    55,305,948.20x = 1,761,078,047,970,713.75
  5. Step 5: Solve for x
    x = 1,761,078,047,970,713.75/55,305,948.20
  6. Step 6: Final answer
    x = 31,842,470.93

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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.