Home / 112,464,010.20-168,360,092.10-67,002,403.80

Finding the Fourth Proportional to 112,464,010.20, 168,360,092.10 and 67,002,403.80

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Solution

The fourth proportional to 112,464,010.20, 168,360,092.10 and 67,002,403.80 is: 100,303,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464,010.20 : 168,360,092.10 = 67,002,403.80 : x
  2. Step 2: Convert to fraction form
    112,464,010.20/168,360,092.10 = 67,002,403.80/x
  3. Step 3: Cross multiply
    112,464,010.20x = 168,360,092.10 × 67,002,403.80
  4. Step 4: Simplify right side
    112,464,010.20x = 11,280,530,874,689,390
  5. Step 5: Solve for x
    x = 11,280,530,874,689,390/112,464,010.20
  6. Step 6: Final answer
    x = 100,303,473.57

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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.