Home / 87,221,486.49-120,366,458.55-48,064,664.54

Finding the Fourth Proportional to 87,221,486.49, 120,366,458.55 and 48,064,664.54

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Solution

The fourth proportional to 87,221,486.49, 120,366,458.55 and 48,064,664.54 is: 66,329,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,486.49 : 120,366,458.55 = 48,064,664.54 : x
  2. Step 2: Convert to fraction form
    87,221,486.49/120,366,458.55 = 48,064,664.54/x
  3. Step 3: Cross multiply
    87,221,486.49x = 120,366,458.55 × 48,064,664.54
  4. Step 4: Simplify right side
    87,221,486.49x = 5,785,373,451,471,732
  5. Step 5: Solve for x
    x = 5,785,373,451,471,732/87,221,486.49
  6. Step 6: Final answer
    x = 66,329,681.87

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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.