Home / 205,597,346.80-308,396,020.20-196,527,420.40

Finding the Fourth Proportional to 205,597,346.80, 308,396,020.20 and 196,527,420.40

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Solution

The fourth proportional to 205,597,346.80, 308,396,020.20 and 196,527,420.40 is: 294,791,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,597,346.80 : 308,396,020.20 = 196,527,420.40 : x
  2. Step 2: Convert to fraction form
    205,597,346.80/308,396,020.20 = 196,527,420.40/x
  3. Step 3: Cross multiply
    205,597,346.80x = 308,396,020.20 × 196,527,420.40
  4. Step 4: Simplify right side
    205,597,346.80x = 60,608,274,311,532,288
  5. Step 5: Solve for x
    x = 60,608,274,311,532,288/205,597,346.80
  6. Step 6: Final answer
    x = 294,791,130.60

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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.