Home / 87,422,981.44-131,132,671.72-29,134,891.58

Finding the Fourth Proportional to 87,422,981.44, 131,132,671.72 and 29,134,891.58

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Solution

The fourth proportional to 87,422,981.44, 131,132,671.72 and 29,134,891.58 is: 43,701,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422,981.44 : 131,132,671.72 = 29,134,891.58 : x
  2. Step 2: Convert to fraction form
    87,422,981.44/131,132,671.72 = 29,134,891.58/x
  3. Step 3: Cross multiply
    87,422,981.44x = 131,132,671.72 × 29,134,891.58
  4. Step 4: Simplify right side
    87,422,981.44x = 3,820,536,173,157,932
  5. Step 5: Solve for x
    x = 3,820,536,173,157,932/87,422,981.44
  6. Step 6: Final answer
    x = 43,701,737.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.