Home / 51,478,305.71-71,022,777.62-29,148,245.55

Finding the Fourth Proportional to 51,478,305.71, 71,022,777.62 and 29,148,245.55

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Solution

The fourth proportional to 51,478,305.71, 71,022,777.62 and 29,148,245.55 is: 40,214,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478,305.71 : 71,022,777.62 = 29,148,245.55 : x
  2. Step 2: Convert to fraction form
    51,478,305.71/71,022,777.62 = 29,148,245.55/x
  3. Step 3: Cross multiply
    51,478,305.71x = 71,022,777.62 × 29,148,245.55
  4. Step 4: Simplify right side
    51,478,305.71x = 2,070,189,361,565,063.25
  5. Step 5: Solve for x
    x = 2,070,189,361,565,063.25/51,478,305.71
  6. Step 6: Final answer
    x = 40,214,792.10

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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.