Home / 72,015,641.33-108,028,278.10-25,323,548.84

Finding the Fourth Proportional to 72,015,641.33, 108,028,278.10 and 25,323,548.84

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Solution

The fourth proportional to 72,015,641.33, 108,028,278.10 and 25,323,548.84 is: 37,987,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,015,641.33 : 108,028,278.10 = 25,323,548.84 : x
  2. Step 2: Convert to fraction form
    72,015,641.33/108,028,278.10 = 25,323,548.84/x
  3. Step 3: Cross multiply
    72,015,641.33x = 108,028,278.10 × 25,323,548.84
  4. Step 4: Simplify right side
    72,015,641.33x = 2,735,659,376,566,452
  5. Step 5: Solve for x
    x = 2,735,659,376,566,452/72,015,641.33
  6. Step 6: Final answer
    x = 37,987,016.79

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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.