Home / 89,711,608.97-123,802,001.30-48,458,501.75

Finding the Fourth Proportional to 89,711,608.97, 123,802,001.30 and 48,458,501.75

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Solution

The fourth proportional to 89,711,608.97, 123,802,001.30 and 48,458,501.75 is: 66,872,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711,608.97 : 123,802,001.30 = 48,458,501.75 : x
  2. Step 2: Convert to fraction form
    89,711,608.97/123,802,001.30 = 48,458,501.75/x
  3. Step 3: Cross multiply
    89,711,608.97x = 123,802,001.30 × 48,458,501.75
  4. Step 4: Simplify right side
    89,711,608.97x = 5,999,259,496,649,552
  5. Step 5: Solve for x
    x = 5,999,259,496,649,552/89,711,608.97
  6. Step 6: Final answer
    x = 66,872,722.11

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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.