Home / 198,782,059.32-297,785,185.58-154,857,147.06

Finding the Fourth Proportional to 198,782,059.32, 297,785,185.58 and 154,857,147.06

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Solution

The fourth proportional to 198,782,059.32, 297,785,185.58 and 154,857,147.06 is: 231,983,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782,059.32 : 297,785,185.58 = 154,857,147.06 : x
  2. Step 2: Convert to fraction form
    198,782,059.32/297,785,185.58 = 154,857,147.06/x
  3. Step 3: Cross multiply
    198,782,059.32x = 297,785,185.58 × 154,857,147.06
  4. Step 4: Simplify right side
    198,782,059.32x = 46,114,164,275,651,448
  5. Step 5: Solve for x
    x = 46,114,164,275,651,448/198,782,059.32
  6. Step 6: Final answer
    x = 231,983,532.28

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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.