Home / 87,231,392.10-120,377,102.87-47,539,943.42

Finding the Fourth Proportional to 87,231,392.10, 120,377,102.87 and 47,539,943.42

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Solution

The fourth proportional to 87,231,392.10, 120,377,102.87 and 47,539,943.42 is: 65,603,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,231,392.10 : 120,377,102.87 = 47,539,943.42 : x
  2. Step 2: Convert to fraction form
    87,231,392.10/120,377,102.87 = 47,539,943.42/x
  3. Step 3: Cross multiply
    87,231,392.10x = 120,377,102.87 × 47,539,943.42
  4. Step 4: Simplify right side
    87,231,392.10x = 5,722,720,659,020,284
  5. Step 5: Solve for x
    x = 5,722,720,659,020,284/87,231,392.10
  6. Step 6: Final answer
    x = 65,603,913.01

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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.