Home / 127,825,930.80-191,738,896.20-88,711,873.20

Finding the Fourth Proportional to 127,825,930.80, 191,738,896.20 and 88,711,873.20

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Solution

The fourth proportional to 127,825,930.80, 191,738,896.20 and 88,711,873.20 is: 133,067,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825,930.80 : 191,738,896.20 = 88,711,873.20 : x
  2. Step 2: Convert to fraction form
    127,825,930.80/191,738,896.20 = 88,711,873.20/x
  3. Step 3: Cross multiply
    127,825,930.80x = 191,738,896.20 × 88,711,873.20
  4. Step 4: Simplify right side
    127,825,930.80x = 17,009,516,647,202,362
  5. Step 5: Solve for x
    x = 17,009,516,647,202,362/127,825,930.80
  6. Step 6: Final answer
    x = 133,067,809.80

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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.