Home / 87,983,421.52-121,418,442.32-48,827,734.24

Finding the Fourth Proportional to 87,983,421.52, 121,418,442.32 and 48,827,734.24

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Solution

The fourth proportional to 87,983,421.52, 121,418,442.32 and 48,827,734.24 is: 67,383,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,983,421.52 : 121,418,442.32 = 48,827,734.24 : x
  2. Step 2: Convert to fraction form
    87,983,421.52/121,418,442.32 = 48,827,734.24/x
  3. Step 3: Cross multiply
    87,983,421.52x = 121,418,442.32 × 48,827,734.24
  4. Step 4: Simplify right side
    87,983,421.52x = 5,928,587,433,435,729
  5. Step 5: Solve for x
    x = 5,928,587,433,435,729/87,983,421.52
  6. Step 6: Final answer
    x = 67,383,006.15

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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.