Home / 47,711,457.70-71,567,186.55-40,321,147.30

Finding the Fourth Proportional to 47,711,457.70, 71,567,186.55 and 40,321,147.30

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Solution

The fourth proportional to 47,711,457.70, 71,567,186.55 and 40,321,147.30 is: 60,481,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,457.70 : 71,567,186.55 = 40,321,147.30 : x
  2. Step 2: Convert to fraction form
    47,711,457.70/71,567,186.55 = 40,321,147.30/x
  3. Step 3: Cross multiply
    47,711,457.70x = 71,567,186.55 × 40,321,147.30
  4. Step 4: Simplify right side
    47,711,457.70x = 2,885,671,070,729,128.50
  5. Step 5: Solve for x
    x = 2,885,671,070,729,128.50/47,711,457.70
  6. Step 6: Final answer
    x = 60,481,720.95

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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.