Home / 165,919,775.20-248,879,662.80-131,282,360.80

Finding the Fourth Proportional to 165,919,775.20, 248,879,662.80 and 131,282,360.80

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Solution

The fourth proportional to 165,919,775.20, 248,879,662.80 and 131,282,360.80 is: 196,923,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,919,775.20 : 248,879,662.80 = 131,282,360.80 : x
  2. Step 2: Convert to fraction form
    165,919,775.20/248,879,662.80 = 131,282,360.80/x
  3. Step 3: Cross multiply
    165,919,775.20x = 248,879,662.80 × 131,282,360.80
  4. Step 4: Simplify right side
    165,919,775.20x = 32,673,509,687,491,940
  5. Step 5: Solve for x
    x = 32,673,509,687,491,940/165,919,775.20
  6. Step 6: Final answer
    x = 196,923,541.20

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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.