Home / 274,752,103.20-412,128,154.80-165,912,986.40

Finding the Fourth Proportional to 274,752,103.20, 412,128,154.80 and 165,912,986.40

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Solution

The fourth proportional to 274,752,103.20, 412,128,154.80 and 165,912,986.40 is: 248,869,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,752,103.20 : 412,128,154.80 = 165,912,986.40 : x
  2. Step 2: Convert to fraction form
    274,752,103.20/412,128,154.80 = 165,912,986.40/x
  3. Step 3: Cross multiply
    274,752,103.20x = 412,128,154.80 × 165,912,986.40
  4. Step 4: Simplify right side
    274,752,103.20x = 68,377,412,942,389,496
  5. Step 5: Solve for x
    x = 68,377,412,942,389,496/274,752,103.20
  6. Step 6: Final answer
    x = 248,869,479.60

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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.