Home / 71,291,141.60-98,379,229.91-40,350,646.58

Finding the Fourth Proportional to 71,291,141.60, 98,379,229.91 and 40,350,646.58

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Solution

The fourth proportional to 71,291,141.60, 98,379,229.91 and 40,350,646.58 is: 55,682,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,291,141.60 : 98,379,229.91 = 40,350,646.58 : x
  2. Step 2: Convert to fraction form
    71,291,141.60/98,379,229.91 = 40,350,646.58/x
  3. Step 3: Cross multiply
    71,291,141.60x = 98,379,229.91 × 40,350,646.58
  4. Step 4: Simplify right side
    71,291,141.60x = 3,969,665,536,217,326
  5. Step 5: Solve for x
    x = 3,969,665,536,217,326/71,291,141.60
  6. Step 6: Final answer
    x = 55,682,451.53

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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.