Home / 321,993,769.79-483,067,713.60-103,664,520.97

Finding the Fourth Proportional to 321,993,769.79, 483,067,713.60 and 103,664,520.97

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Solution

The fourth proportional to 321,993,769.79, 483,067,713.60 and 103,664,520.97 is: 155,521,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,993,769.79 : 483,067,713.60 = 103,664,520.97 : x
  2. Step 2: Convert to fraction form
    321,993,769.79/483,067,713.60 = 103,664,520.97/x
  3. Step 3: Cross multiply
    321,993,769.79x = 483,067,713.60 × 103,664,520.97
  4. Step 4: Simplify right side
    321,993,769.79x = 50,076,983,125,209,488
  5. Step 5: Solve for x
    x = 50,076,983,125,209,488/321,993,769.79
  6. Step 6: Final answer
    x = 155,521,590.24

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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.