Home / 47,389,630.30-71,084,445.45-40,215,176.80

Finding the Fourth Proportional to 47,389,630.30, 71,084,445.45 and 40,215,176.80

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Solution

The fourth proportional to 47,389,630.30, 71,084,445.45 and 40,215,176.80 is: 60,322,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,630.30 : 71,084,445.45 = 40,215,176.80 : x
  2. Step 2: Convert to fraction form
    47,389,630.30/71,084,445.45 = 40,215,176.80/x
  3. Step 3: Cross multiply
    47,389,630.30x = 71,084,445.45 × 40,215,176.80
  4. Step 4: Simplify right side
    47,389,630.30x = 2,858,673,541,501,705.50
  5. Step 5: Solve for x
    x = 2,858,673,541,501,705.50/47,389,630.30
  6. Step 6: Final answer
    x = 60,322,765.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.