Home / 54,581,144.38-81,453,990.35-48,758,486.86

Finding the Fourth Proportional to 54,581,144.38, 81,453,990.35 and 48,758,486.86

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Solution

The fourth proportional to 54,581,144.38, 81,453,990.35 and 48,758,486.86 is: 72,764,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,144.38 : 81,453,990.35 = 48,758,486.86 : x
  2. Step 2: Convert to fraction form
    54,581,144.38/81,453,990.35 = 48,758,486.86/x
  3. Step 3: Cross multiply
    54,581,144.38x = 81,453,990.35 × 48,758,486.86
  4. Step 4: Simplify right side
    54,581,144.38x = 3,971,573,317,969,670.50
  5. Step 5: Solve for x
    x = 3,971,573,317,969,670.50/54,581,144.38
  6. Step 6: Final answer
    x = 72,764,566.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.