Home / 71,342,221.04-98,452,768.92-38,747,173.04

Finding the Fourth Proportional to 71,342,221.04, 98,452,768.92 and 38,747,173.04

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Solution

The fourth proportional to 71,342,221.04, 98,452,768.92 and 38,747,173.04 is: 53,471,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342,221.04 : 98,452,768.92 = 38,747,173.04 : x
  2. Step 2: Convert to fraction form
    71,342,221.04/98,452,768.92 = 38,747,173.04/x
  3. Step 3: Cross multiply
    71,342,221.04x = 98,452,768.92 × 38,747,173.04
  4. Step 4: Simplify right side
    71,342,221.04x = 3,814,766,473,610,374
  5. Step 5: Solve for x
    x = 3,814,766,473,610,374/71,342,221.04
  6. Step 6: Final answer
    x = 53,471,372.46

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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.