Home / 199,371,091.80-298,914,920.10-76,501,932.60

Finding the Fourth Proportional to 199,371,091.80, 298,914,920.10 and 76,501,932.60

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Solution

The fourth proportional to 199,371,091.80, 298,914,920.10 and 76,501,932.60 is: 114,698,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,371,091.80 : 298,914,920.10 = 76,501,932.60 : x
  2. Step 2: Convert to fraction form
    199,371,091.80/298,914,920.10 = 76,501,932.60/x
  3. Step 3: Cross multiply
    199,371,091.80x = 298,914,920.10 × 76,501,932.60
  4. Step 4: Simplify right side
    199,371,091.80x = 22,867,569,070,624,584
  5. Step 5: Solve for x
    x = 22,867,569,070,624,584/199,371,091.80
  6. Step 6: Final answer
    x = 114,698,519.55

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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.