Home / 76,722,650.07-115,156,732.56-47,488,057.09

Finding the Fourth Proportional to 76,722,650.07, 115,156,732.56 and 47,488,057.09

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Solution

The fourth proportional to 76,722,650.07, 115,156,732.56 and 47,488,057.09 is: 71,277,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722,650.07 : 115,156,732.56 = 47,488,057.09 : x
  2. Step 2: Convert to fraction form
    76,722,650.07/115,156,732.56 = 47,488,057.09/x
  3. Step 3: Cross multiply
    76,722,650.07x = 115,156,732.56 × 47,488,057.09
  4. Step 4: Simplify right side
    76,722,650.07x = 5,468,569,490,107,142
  5. Step 5: Solve for x
    x = 5,468,569,490,107,142/76,722,650.07
  6. Step 6: Final answer
    x = 71,277,119.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.