Home / 71,342,221.54-98,452,769.65-38,747,173.54

Finding the Fourth Proportional to 71,342,221.54, 98,452,769.65 and 38,747,173.54

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Solution

The fourth proportional to 71,342,221.54, 98,452,769.65 and 38,747,173.54 is: 53,471,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342,221.54 : 98,452,769.65 = 38,747,173.54 : x
  2. Step 2: Convert to fraction form
    71,342,221.54/98,452,769.65 = 38,747,173.54/x
  3. Step 3: Cross multiply
    71,342,221.54x = 98,452,769.65 × 38,747,173.54
  4. Step 4: Simplify right side
    71,342,221.54x = 3,814,766,551,122,195
  5. Step 5: Solve for x
    x = 3,814,766,551,122,195/71,342,221.54
  6. Step 6: Final answer
    x = 53,471,373.18

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1.5x scale

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.