Home / 87,221,493.41-120,366,468.11-48,064,671.45

Finding the Fourth Proportional to 87,221,493.41, 120,366,468.11 and 48,064,671.45

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Solution

The fourth proportional to 87,221,493.41, 120,366,468.11 and 48,064,671.45 is: 66,329,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,493.41 : 120,366,468.11 = 48,064,671.45 : x
  2. Step 2: Convert to fraction form
    87,221,493.41/120,366,468.11 = 48,064,671.45/x
  3. Step 3: Cross multiply
    87,221,493.41x = 120,366,468.11 × 48,064,671.45
  4. Step 4: Simplify right side
    87,221,493.41x = 5,785,374,743,424,214
  5. Step 5: Solve for x
    x = 5,785,374,743,424,214/87,221,493.41
  6. Step 6: Final answer
    x = 66,329,691.43

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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.