Home / 78,345,244.55-108,002,490.26-54,750,527.14

Finding the Fourth Proportional to 78,345,244.55, 108,002,490.26 and 54,750,527.14

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Solution

The fourth proportional to 78,345,244.55, 108,002,490.26 and 54,750,527.14 is: 75,476,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,345,244.55 : 108,002,490.26 = 54,750,527.14 : x
  2. Step 2: Convert to fraction form
    78,345,244.55/108,002,490.26 = 54,750,527.14/x
  3. Step 3: Cross multiply
    78,345,244.55x = 108,002,490.26 × 54,750,527.14
  4. Step 4: Simplify right side
    78,345,244.55x = 5,913,193,274,167,716
  5. Step 5: Solve for x
    x = 5,913,193,274,167,716/78,345,244.55
  6. Step 6: Final answer
    x = 75,476,096.96

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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.