Home / 209,581,601.04-312,898,786.65-160,138,692.36

Finding the Fourth Proportional to 209,581,601.04, 312,898,786.65 and 160,138,692.36

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Solution

The fourth proportional to 209,581,601.04, 312,898,786.65 and 160,138,692.36 is: 239,082,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,581,601.04 : 312,898,786.65 = 160,138,692.36 : x
  2. Step 2: Convert to fraction form
    209,581,601.04/312,898,786.65 = 160,138,692.36/x
  3. Step 3: Cross multiply
    209,581,601.04x = 312,898,786.65 × 160,138,692.36
  4. Step 4: Simplify right side
    209,581,601.04x = 50,107,202,535,161,624
  5. Step 5: Solve for x
    x = 50,107,202,535,161,624/209,581,601.04
  6. Step 6: Final answer
    x = 239,082,067.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.