Home / 179,610,785.90-269,416,178.85-77,574,113.90

Finding the Fourth Proportional to 179,610,785.90, 269,416,178.85 and 77,574,113.90

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Solution

The fourth proportional to 179,610,785.90, 269,416,178.85 and 77,574,113.90 is: 116,361,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,610,785.90 : 269,416,178.85 = 77,574,113.90 : x
  2. Step 2: Convert to fraction form
    179,610,785.90/269,416,178.85 = 77,574,113.90/x
  3. Step 3: Cross multiply
    179,610,785.90x = 269,416,178.85 × 77,574,113.90
  4. Step 4: Simplify right side
    179,610,785.90x = 20,899,721,344,612,676
  5. Step 5: Solve for x
    x = 20,899,721,344,612,676/179,610,785.90
  6. Step 6: Final answer
    x = 116,361,170.85

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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.