Home / 260,989,801.20-391,472,260.20-88,449,692.40

Finding the Fourth Proportional to 260,989,801.20, 391,472,260.20 and 88,449,692.40

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Solution

The fourth proportional to 260,989,801.20, 391,472,260.20 and 88,449,692.40 is: 132,670,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,989,801.20 : 391,472,260.20 = 88,449,692.40 : x
  2. Step 2: Convert to fraction form
    260,989,801.20/391,472,260.20 = 88,449,692.40/x
  3. Step 3: Cross multiply
    260,989,801.20x = 391,472,260.20 × 88,449,692.40
  4. Step 4: Simplify right side
    260,989,801.20x = 34,625,600,997,822,764
  5. Step 5: Solve for x
    x = 34,625,600,997,822,764/260,989,801.20
  6. Step 6: Final answer
    x = 132,670,322.13

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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.