Home / 87,452,214.50-120,684,064.65-48,821,046.50

Finding the Fourth Proportional to 87,452,214.50, 120,684,064.65 and 48,821,046.50

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Solution

The fourth proportional to 87,452,214.50, 120,684,064.65 and 48,821,046.50 is: 67,373,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452,214.50 : 120,684,064.65 = 48,821,046.50 : x
  2. Step 2: Convert to fraction form
    87,452,214.50/120,684,064.65 = 48,821,046.50/x
  3. Step 3: Cross multiply
    87,452,214.50x = 120,684,064.65 × 48,821,046.50
  4. Step 4: Simplify right side
    87,452,214.50x = 5,891,922,332,086,657
  5. Step 5: Solve for x
    x = 5,891,922,332,086,657/87,452,214.50
  6. Step 6: Final answer
    x = 67,373,048.99

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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.