Home / 206,039,872.80-309,059,809.20-62,414,042.40

Finding the Fourth Proportional to 206,039,872.80, 309,059,809.20 and 62,414,042.40

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Solution

The fourth proportional to 206,039,872.80, 309,059,809.20 and 62,414,042.40 is: 93,621,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,039,872.80 : 309,059,809.20 = 62,414,042.40 : x
  2. Step 2: Convert to fraction form
    206,039,872.80/309,059,809.20 = 62,414,042.40/x
  3. Step 3: Cross multiply
    206,039,872.80x = 309,059,809.20 × 62,414,042.40
  4. Step 4: Simplify right side
    206,039,872.80x = 19,289,672,035,544,708
  5. Step 5: Solve for x
    x = 19,289,672,035,544,708/206,039,872.80
  6. Step 6: Final answer
    x = 93,621,063.60

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1.5x scale

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.