Home / 82,460,947.92-113,796,312.12-45,791,517.84

Finding the Fourth Proportional to 82,460,947.92, 113,796,312.12 and 45,791,517.84

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Solution

The fourth proportional to 82,460,947.92, 113,796,312.12 and 45,791,517.84 is: 63,192,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,460,947.92 : 113,796,312.12 = 45,791,517.84 : x
  2. Step 2: Convert to fraction form
    82,460,947.92/113,796,312.12 = 45,791,517.84/x
  3. Step 3: Cross multiply
    82,460,947.92x = 113,796,312.12 × 45,791,517.84
  4. Step 4: Simplify right side
    82,460,947.92x = 5,210,905,856,569,189
  5. Step 5: Solve for x
    x = 5,210,905,856,569,189/82,460,947.92
  6. Step 6: Final answer
    x = 63,192,407.90

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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.