Home / 199,544,660.80-299,093,042.40-84,509,627.20

Finding the Fourth Proportional to 199,544,660.80, 299,093,042.40 and 84,509,627.20

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Solution

The fourth proportional to 199,544,660.80, 299,093,042.40 and 84,509,627.20 is: 126,669,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544,660.80 : 299,093,042.40 = 84,509,627.20 : x
  2. Step 2: Convert to fraction form
    199,544,660.80/299,093,042.40 = 84,509,627.20/x
  3. Step 3: Cross multiply
    199,544,660.80x = 299,093,042.40 × 84,509,627.20
  4. Step 4: Simplify right side
    199,544,660.80x = 25,276,241,511,337,792
  5. Step 5: Solve for x
    x = 25,276,241,511,337,792/199,544,660.80
  6. Step 6: Final answer
    x = 126,669,595.72

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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.