Home / 83,751,105.06-115,498,548.81-54,351,001.62

Finding the Fourth Proportional to 83,751,105.06, 115,498,548.81 and 54,351,001.62

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Solution

The fourth proportional to 83,751,105.06, 115,498,548.81 and 54,351,001.62 is: 74,953,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751,105.06 : 115,498,548.81 = 54,351,001.62 : x
  2. Step 2: Convert to fraction form
    83,751,105.06/115,498,548.81 = 54,351,001.62/x
  3. Step 3: Cross multiply
    83,751,105.06x = 115,498,548.81 × 54,351,001.62
  4. Step 4: Simplify right side
    83,751,105.06x = 6,277,461,813,479,959
  5. Step 5: Solve for x
    x = 6,277,461,813,479,959/83,751,105.06
  6. Step 6: Final answer
    x = 74,953,778.93

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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.