Home / 275,256,911.20-412,885,366.80-166,417,794.40

Finding the Fourth Proportional to 275,256,911.20, 412,885,366.80 and 166,417,794.40

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Solution

The fourth proportional to 275,256,911.20, 412,885,366.80 and 166,417,794.40 is: 249,626,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,256,911.20 : 412,885,366.80 = 166,417,794.40 : x
  2. Step 2: Convert to fraction form
    275,256,911.20/412,885,366.80 = 166,417,794.40/x
  3. Step 3: Cross multiply
    275,256,911.20x = 412,885,366.80 × 166,417,794.40
  4. Step 4: Simplify right side
    275,256,911.20x = 68,711,472,082,890,992
  5. Step 5: Solve for x
    x = 68,711,472,082,890,992/275,256,911.20
  6. Step 6: Final answer
    x = 249,626,691.60

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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.