Home / 71,342,200.23-98,452,740.20-38,747,152.23

Finding the Fourth Proportional to 71,342,200.23, 98,452,740.20 and 38,747,152.23

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Solution

The fourth proportional to 71,342,200.23, 98,452,740.20 and 38,747,152.23 is: 53,471,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342,200.23 : 98,452,740.20 = 38,747,152.23 : x
  2. Step 2: Convert to fraction form
    71,342,200.23/98,452,740.20 = 38,747,152.23/x
  3. Step 3: Cross multiply
    71,342,200.23x = 98,452,740.20 × 38,747,152.23
  4. Step 4: Simplify right side
    71,342,200.23x = 3,814,763,311,743,909
  5. Step 5: Solve for x
    x = 3,814,763,311,743,909/71,342,200.23
  6. Step 6: Final answer
    x = 53,471,343.74

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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.