Home / 98,419,278.15-135,815,972.45-54,365,328.86

Finding the Fourth Proportional to 98,419,278.15, 135,815,972.45 and 54,365,328.86

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Solution

The fourth proportional to 98,419,278.15, 135,815,972.45 and 54,365,328.86 is: 75,022,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419,278.15 : 135,815,972.45 = 54,365,328.86 : x
  2. Step 2: Convert to fraction form
    98,419,278.15/135,815,972.45 = 54,365,328.86/x
  3. Step 3: Cross multiply
    98,419,278.15x = 135,815,972.45 × 54,365,328.86
  4. Step 4: Simplify right side
    98,419,278.15x = 7,383,680,005,734,043
  5. Step 5: Solve for x
    x = 7,383,680,005,734,043/98,419,278.15
  6. Step 6: Final answer
    x = 75,022,700.27

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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.