Home / 87,217,036.76-120,362,078.13-48,061,335.78

Finding the Fourth Proportional to 87,217,036.76, 120,362,078.13 and 48,061,335.78

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Solution

The fourth proportional to 87,217,036.76, 120,362,078.13 and 48,061,335.78 is: 66,326,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,217,036.76 : 120,362,078.13 = 48,061,335.78 : x
  2. Step 2: Convert to fraction form
    87,217,036.76/120,362,078.13 = 48,061,335.78/x
  3. Step 3: Cross multiply
    87,217,036.76x = 120,362,078.13 × 48,061,335.78
  4. Step 4: Simplify right side
    87,217,036.76x = 5,784,762,252,184,524
  5. Step 5: Solve for x
    x = 5,784,762,252,184,524/87,217,036.76
  6. Step 6: Final answer
    x = 66,326,058.15

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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.