Home / 192,011,036.80-288,016,555.20-140,992,700.80

Finding the Fourth Proportional to 192,011,036.80, 288,016,555.20 and 140,992,700.80

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Solution

The fourth proportional to 192,011,036.80, 288,016,555.20 and 140,992,700.80 is: 211,489,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,011,036.80 : 288,016,555.20 = 140,992,700.80 : x
  2. Step 2: Convert to fraction form
    192,011,036.80/288,016,555.20 = 140,992,700.80/x
  3. Step 3: Cross multiply
    192,011,036.80x = 288,016,555.20 × 140,992,700.80
  4. Step 4: Simplify right side
    192,011,036.80x = 40,608,231,992,760,288
  5. Step 5: Solve for x
    x = 40,608,231,992,760,288/192,011,036.80
  6. Step 6: Final answer
    x = 211,489,051.20

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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.