Home / 199,371,092.80-298,914,921.60-76,501,933.60

Finding the Fourth Proportional to 199,371,092.80, 298,914,921.60 and 76,501,933.60

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Solution

The fourth proportional to 199,371,092.80, 298,914,921.60 and 76,501,933.60 is: 114,698,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,371,092.80 : 298,914,921.60 = 76,501,933.60 : x
  2. Step 2: Convert to fraction form
    199,371,092.80/298,914,921.60 = 76,501,933.60/x
  3. Step 3: Cross multiply
    199,371,092.80x = 298,914,921.60 × 76,501,933.60
  4. Step 4: Simplify right side
    199,371,092.80x = 22,867,569,484,292,404
  5. Step 5: Solve for x
    x = 22,867,569,484,292,404/199,371,092.80
  6. Step 6: Final answer
    x = 114,698,521.05

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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.