Home / 76,122,934.72-105,049,748.40-41,315,621.20

Finding the Fourth Proportional to 76,122,934.72, 105,049,748.40 and 41,315,621.20

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Solution

The fourth proportional to 76,122,934.72, 105,049,748.40 and 41,315,621.20 is: 57,015,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,934.72 : 105,049,748.40 = 41,315,621.20 : x
  2. Step 2: Convert to fraction form
    76,122,934.72/105,049,748.40 = 41,315,621.20/x
  3. Step 3: Cross multiply
    76,122,934.72x = 105,049,748.40 × 41,315,621.20
  4. Step 4: Simplify right side
    76,122,934.72x = 4,340,195,612,049,706.50
  5. Step 5: Solve for x
    x = 4,340,195,612,049,706.50/76,122,934.72
  6. Step 6: Final answer
    x = 57,015,610.71

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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.