Home / 80,672,174.60-111,336,223.56-49,328,594.48

Finding the Fourth Proportional to 80,672,174.60, 111,336,223.56 and 49,328,594.48

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Solution

The fourth proportional to 80,672,174.60, 111,336,223.56 and 49,328,594.48 is: 68,078,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672,174.60 : 111,336,223.56 = 49,328,594.48 : x
  2. Step 2: Convert to fraction form
    80,672,174.60/111,336,223.56 = 49,328,594.48/x
  3. Step 3: Cross multiply
    80,672,174.60x = 111,336,223.56 × 49,328,594.48
  4. Step 4: Simplify right side
    80,672,174.60x = 5,492,059,422,925,862
  5. Step 5: Solve for x
    x = 5,492,059,422,925,862/80,672,174.60
  6. Step 6: Final answer
    x = 68,078,732.85

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1.5x scale

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.