Home / 98,654,091.28-136,142,937.24-54,604,149.64

Finding the Fourth Proportional to 98,654,091.28, 136,142,937.24 and 54,604,149.64

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Solution

The fourth proportional to 98,654,091.28, 136,142,937.24 and 54,604,149.64 is: 75,353,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654,091.28 : 136,142,937.24 = 54,604,149.64 : x
  2. Step 2: Convert to fraction form
    98,654,091.28/136,142,937.24 = 54,604,149.64/x
  3. Step 3: Cross multiply
    98,654,091.28x = 136,142,937.24 × 54,604,149.64
  4. Step 4: Simplify right side
    98,654,091.28x = 7,433,969,317,482,089
  5. Step 5: Solve for x
    x = 7,433,969,317,482,089/98,654,091.28
  6. Step 6: Final answer
    x = 75,353,887.72

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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.