Home / 199,686,793.80-298,932,993.90-118,866,160.20

Finding the Fourth Proportional to 199,686,793.80, 298,932,993.90 and 118,866,160.20

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Solution

The fourth proportional to 199,686,793.80, 298,932,993.90 and 118,866,160.20 is: 177,943,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,686,793.80 : 298,932,993.90 = 118,866,160.20 : x
  2. Step 2: Convert to fraction form
    199,686,793.80/298,932,993.90 = 118,866,160.20/x
  3. Step 3: Cross multiply
    199,686,793.80x = 298,932,993.90 × 118,866,160.20
  4. Step 4: Simplify right side
    199,686,793.80x = 35,533,017,141,983,020
  5. Step 5: Solve for x
    x = 35,533,017,141,983,020/199,686,793.80
  6. Step 6: Final answer
    x = 177,943,751.14

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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.