Home / 87,216,454.85-120,363,992.51-48,058,184.21

Finding the Fourth Proportional to 87,216,454.85, 120,363,992.51 and 48,058,184.21

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Solution

The fourth proportional to 87,216,454.85, 120,363,992.51 and 48,058,184.21 is: 66,323,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,454.85 : 120,363,992.51 = 48,058,184.21 : x
  2. Step 2: Convert to fraction form
    87,216,454.85/120,363,992.51 = 48,058,184.21/x
  3. Step 3: Cross multiply
    87,216,454.85x = 120,363,992.51 × 48,058,184.21
  4. Step 4: Simplify right side
    87,216,454.85x = 5,784,474,923,454,529
  5. Step 5: Solve for x
    x = 5,784,474,923,454,529/87,216,454.85
  6. Step 6: Final answer
    x = 66,323,206.25

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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.