Home / 76,122,339.20-105,049,835.85-41,315,446.88

Finding the Fourth Proportional to 76,122,339.20, 105,049,835.85 and 41,315,446.88

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Solution

The fourth proportional to 76,122,339.20, 105,049,835.85 and 41,315,446.88 is: 57,015,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,339.20 : 105,049,835.85 = 41,315,446.88 : x
  2. Step 2: Convert to fraction form
    76,122,339.20/105,049,835.85 = 41,315,446.88/x
  3. Step 3: Cross multiply
    76,122,339.20x = 105,049,835.85 × 41,315,446.88
  4. Step 4: Simplify right side
    76,122,339.20x = 4,340,180,912,288,145
  5. Step 5: Solve for x
    x = 4,340,180,912,288,145/76,122,339.20
  6. Step 6: Final answer
    x = 57,015,863.65

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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.