Home / 112,204,137.60-154,815,413.40-68,149,909.44

Finding the Fourth Proportional to 112,204,137.60, 154,815,413.40 and 68,149,909.44

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Solution

The fourth proportional to 112,204,137.60, 154,815,413.40 and 68,149,909.44 is: 94,030,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,204,137.60 : 154,815,413.40 = 68,149,909.44 : x
  2. Step 2: Convert to fraction form
    112,204,137.60/154,815,413.40 = 68,149,909.44/x
  3. Step 3: Cross multiply
    112,204,137.60x = 154,815,413.40 × 68,149,909.44
  4. Step 4: Simplify right side
    112,204,137.60x = 10,550,656,403,126,162
  5. Step 5: Solve for x
    x = 10,550,656,403,126,162/112,204,137.60
  6. Step 6: Final answer
    x = 94,030,903.22

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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.