Home / 206,190,340.14-309,852,385.65-192,708,272.46

Finding the Fourth Proportional to 206,190,340.14, 309,852,385.65 and 192,708,272.46

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Solution

The fourth proportional to 206,190,340.14, 309,852,385.65 and 192,708,272.46 is: 289,592,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190,340.14 : 309,852,385.65 = 192,708,272.46 : x
  2. Step 2: Convert to fraction form
    206,190,340.14/309,852,385.65 = 192,708,272.46/x
  3. Step 3: Cross multiply
    206,190,340.14x = 309,852,385.65 × 192,708,272.46
  4. Step 4: Simplify right side
    206,190,340.14x = 59,711,117,956,221,192
  5. Step 5: Solve for x
    x = 59,711,117,956,221,192/206,190,340.14
  6. Step 6: Final answer
    x = 289,592,218.12

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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.