Home / 89,138,001.20-122,999,077.27-51,958,979.33

Finding the Fourth Proportional to 89,138,001.20, 122,999,077.27 and 51,958,979.33

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Solution

The fourth proportional to 89,138,001.20, 122,999,077.27 and 51,958,979.33 is: 71,696,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,138,001.20 : 122,999,077.27 = 51,958,979.33 : x
  2. Step 2: Convert to fraction form
    89,138,001.20/122,999,077.27 = 51,958,979.33/x
  3. Step 3: Cross multiply
    89,138,001.20x = 122,999,077.27 × 51,958,979.33
  4. Step 4: Simplify right side
    89,138,001.20x = 6,390,906,513,481,002
  5. Step 5: Solve for x
    x = 6,390,906,513,481,002/89,138,001.20
  6. Step 6: Final answer
    x = 71,696,767.12

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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.