Home / 55,491,079.48-76,577,125.62-30,711,314.44

Finding the Fourth Proportional to 55,491,079.48, 76,577,125.62 and 30,711,314.44

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Solution

The fourth proportional to 55,491,079.48, 76,577,125.62 and 30,711,314.44 is: 42,381,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491,079.48 : 76,577,125.62 = 30,711,314.44 : x
  2. Step 2: Convert to fraction form
    55,491,079.48/76,577,125.62 = 30,711,314.44/x
  3. Step 3: Cross multiply
    55,491,079.48x = 76,577,125.62 × 30,711,314.44
  4. Step 4: Simplify right side
    55,491,079.48x = 2,351,784,183,827,200
  5. Step 5: Solve for x
    x = 2,351,784,183,827,200/55,491,079.48
  6. Step 6: Final answer
    x = 42,381,301.75

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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.