Home / 47,711,514.20-71,567,271.30-40,321,203.80

Finding the Fourth Proportional to 47,711,514.20, 71,567,271.30 and 40,321,203.80

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Solution

The fourth proportional to 47,711,514.20, 71,567,271.30 and 40,321,203.80 is: 60,481,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,514.20 : 71,567,271.30 = 40,321,203.80 : x
  2. Step 2: Convert to fraction form
    47,711,514.20/71,567,271.30 = 40,321,203.80/x
  3. Step 3: Cross multiply
    47,711,514.20x = 71,567,271.30 × 40,321,203.80
  4. Step 4: Simplify right side
    47,711,514.20x = 2,885,678,531,497,190.50
  5. Step 5: Solve for x
    x = 2,885,678,531,497,190.50/47,711,514.20
  6. Step 6: Final answer
    x = 60,481,805.70

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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.