Home / 87,161,135.24-120,280,899.30-48,006,558.20

Finding the Fourth Proportional to 87,161,135.24, 120,280,899.30 and 48,006,558.20

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Solution

The fourth proportional to 87,161,135.24, 120,280,899.30 and 48,006,558.20 is: 66,248,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,161,135.24 : 120,280,899.30 = 48,006,558.20 : x
  2. Step 2: Convert to fraction form
    87,161,135.24/120,280,899.30 = 48,006,558.20/x
  3. Step 3: Cross multiply
    87,161,135.24x = 120,280,899.30 × 48,006,558.20
  4. Step 4: Simplify right side
    87,161,135.24x = 5,774,271,992,593,789
  5. Step 5: Solve for x
    x = 5,774,271,992,593,789/87,161,135.24
  6. Step 6: Final answer
    x = 66,248,242.14

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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.