Home / 98,548,231.18-135,997,439.78-54,498,193.55

Finding the Fourth Proportional to 98,548,231.18, 135,997,439.78 and 54,498,193.55

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Solution

The fourth proportional to 98,548,231.18, 135,997,439.78 and 54,498,193.55 is: 75,207,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,548,231.18 : 135,997,439.78 = 54,498,193.55 : x
  2. Step 2: Convert to fraction form
    98,548,231.18/135,997,439.78 = 54,498,193.55/x
  3. Step 3: Cross multiply
    98,548,231.18x = 135,997,439.78 × 54,498,193.55
  4. Step 4: Simplify right side
    98,548,231.18x = 7,411,614,795,434,909
  5. Step 5: Solve for x
    x = 7,411,614,795,434,909/98,548,231.18
  6. Step 6: Final answer
    x = 75,207,994.16

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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.