Home / 47,711,471.45-71,567,207.18-40,321,161.05

Finding the Fourth Proportional to 47,711,471.45, 71,567,207.18 and 40,321,161.05

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Solution

The fourth proportional to 47,711,471.45, 71,567,207.18 and 40,321,161.05 is: 60,481,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,471.45 : 71,567,207.18 = 40,321,161.05 : x
  2. Step 2: Convert to fraction form
    47,711,471.45/71,567,207.18 = 40,321,161.05/x
  3. Step 3: Cross multiply
    47,711,471.45x = 71,567,207.18 × 40,321,161.05
  4. Step 4: Simplify right side
    47,711,471.45x = 2,885,672,886,401,890
  5. Step 5: Solve for x
    x = 2,885,672,886,401,890/47,711,471.45
  6. Step 6: Final answer
    x = 60,481,741.58

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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.