Home / 275,238,009.20-412,857,013.80-166,398,892.40

Finding the Fourth Proportional to 275,238,009.20, 412,857,013.80 and 166,398,892.40

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Solution

The fourth proportional to 275,238,009.20, 412,857,013.80 and 166,398,892.40 is: 249,598,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,238,009.20 : 412,857,013.80 = 166,398,892.40 : x
  2. Step 2: Convert to fraction form
    275,238,009.20/412,857,013.80 = 166,398,892.40/x
  3. Step 3: Cross multiply
    275,238,009.20x = 412,857,013.80 × 166,398,892.40
  4. Step 4: Simplify right side
    275,238,009.20x = 68,698,949,815,891,520
  5. Step 5: Solve for x
    x = 68,698,949,815,891,520/275,238,009.20
  6. Step 6: Final answer
    x = 249,598,338.60

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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.