Home / 82,451,155.38-113,826,768.36-63,571,502.84

Finding the Fourth Proportional to 82,451,155.38, 113,826,768.36 and 63,571,502.84

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Solution

The fourth proportional to 82,451,155.38, 113,826,768.36 and 63,571,502.84 is: 87,762,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451,155.38 : 113,826,768.36 = 63,571,502.84 : x
  2. Step 2: Convert to fraction form
    82,451,155.38/113,826,768.36 = 63,571,502.84/x
  3. Step 3: Cross multiply
    82,451,155.38x = 113,826,768.36 × 63,571,502.84
  4. Step 4: Simplify right side
    82,451,155.38x = 7,236,138,728,065,763
  5. Step 5: Solve for x
    x = 7,236,138,728,065,763/82,451,155.38
  6. Step 6: Final answer
    x = 87,762,732.91

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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.