Home / 199,374,436.80-298,919,937.60-76,505,277.60

Finding the Fourth Proportional to 199,374,436.80, 298,919,937.60 and 76,505,277.60

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Solution

The fourth proportional to 199,374,436.80, 298,919,937.60 and 76,505,277.60 is: 114,703,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,374,436.80 : 298,919,937.60 = 76,505,277.60 : x
  2. Step 2: Convert to fraction form
    199,374,436.80/298,919,937.60 = 76,505,277.60/x
  3. Step 3: Cross multiply
    199,374,436.80x = 298,919,937.60 × 76,505,277.60
  4. Step 4: Simplify right side
    199,374,436.80x = 22,868,952,806,262,676
  5. Step 5: Solve for x
    x = 22,868,952,806,262,676/199,374,436.80
  6. Step 6: Final answer
    x = 114,703,535.59

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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.