Home / 198,150,098.40-297,225,147.60-185,395,514.40

Finding the Fourth Proportional to 198,150,098.40, 297,225,147.60 and 185,395,514.40

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Solution

The fourth proportional to 198,150,098.40, 297,225,147.60 and 185,395,514.40 is: 278,093,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,150,098.40 : 297,225,147.60 = 185,395,514.40 : x
  2. Step 2: Convert to fraction form
    198,150,098.40/297,225,147.60 = 185,395,514.40/x
  3. Step 3: Cross multiply
    198,150,098.40x = 297,225,147.60 × 185,395,514.40
  4. Step 4: Simplify right side
    198,150,098.40x = 55,104,209,131,917,928
  5. Step 5: Solve for x
    x = 55,104,209,131,917,928/198,150,098.40
  6. Step 6: Final answer
    x = 278,093,271.60

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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.