Home / 82,195,125.08-113,351,026.76-49,150,123.72

Finding the Fourth Proportional to 82,195,125.08, 113,351,026.76 and 49,150,123.72

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Solution

The fourth proportional to 82,195,125.08, 113,351,026.76 and 49,150,123.72 is: 67,780,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195,125.08 : 113,351,026.76 = 49,150,123.72 : x
  2. Step 2: Convert to fraction form
    82,195,125.08/113,351,026.76 = 49,150,123.72/x
  3. Step 3: Cross multiply
    82,195,125.08x = 113,351,026.76 × 49,150,123.72
  4. Step 4: Simplify right side
    82,195,125.08x = 5,571,216,989,043,031
  5. Step 5: Solve for x
    x = 5,571,216,989,043,031/82,195,125.08
  6. Step 6: Final answer
    x = 67,780,382.15

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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.