Home / 107,328,011.20-160,992,016.80-99,769,739.20

Finding the Fourth Proportional to 107,328,011.20, 160,992,016.80 and 99,769,739.20

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Solution

The fourth proportional to 107,328,011.20, 160,992,016.80 and 99,769,739.20 is: 149,654,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,328,011.20 : 160,992,016.80 = 99,769,739.20 : x
  2. Step 2: Convert to fraction form
    107,328,011.20/160,992,016.80 = 99,769,739.20/x
  3. Step 3: Cross multiply
    107,328,011.20x = 160,992,016.80 × 99,769,739.20
  4. Step 4: Simplify right side
    107,328,011.20x = 16,062,131,529,418,020
  5. Step 5: Solve for x
    x = 16,062,131,529,418,020/107,328,011.20
  6. Step 6: Final answer
    x = 149,654,608.80

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1.5x scale

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.