Home / 199,813,995.52-275,749,371.84-111,711,705.28

Finding the Fourth Proportional to 199,813,995.52, 275,749,371.84 and 111,711,705.28

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Solution

The fourth proportional to 199,813,995.52, 275,749,371.84 and 111,711,705.28 is: 154,165,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,813,995.52 : 275,749,371.84 = 111,711,705.28 : x
  2. Step 2: Convert to fraction form
    199,813,995.52/275,749,371.84 = 111,711,705.28/x
  3. Step 3: Cross multiply
    199,813,995.52x = 275,749,371.84 × 111,711,705.28
  4. Step 4: Simplify right side
    199,813,995.52x = 30,804,432,558,135,208
  5. Step 5: Solve for x
    x = 30,804,432,558,135,208/199,813,995.52
  6. Step 6: Final answer
    x = 154,165,540.20

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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.