Home / 76,080,207.88-104,981,829.42-42,591,520.74

Finding the Fourth Proportional to 76,080,207.88, 104,981,829.42 and 42,591,520.74

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Solution

The fourth proportional to 76,080,207.88, 104,981,829.42 and 42,591,520.74 is: 58,771,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080,207.88 : 104,981,829.42 = 42,591,520.74 : x
  2. Step 2: Convert to fraction form
    76,080,207.88/104,981,829.42 = 42,591,520.74/x
  3. Step 3: Cross multiply
    76,080,207.88x = 104,981,829.42 × 42,591,520.74
  4. Step 4: Simplify right side
    76,080,207.88x = 4,471,335,765,065,072.50
  5. Step 5: Solve for x
    x = 4,471,335,765,065,072.50/76,080,207.88
  6. Step 6: Final answer
    x = 58,771,340.01

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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.