Home / 111,127,933.80-166,691,900.70-109,002,169.80

Finding the Fourth Proportional to 111,127,933.80, 166,691,900.70 and 109,002,169.80

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Solution

The fourth proportional to 111,127,933.80, 166,691,900.70 and 109,002,169.80 is: 163,503,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,127,933.80 : 166,691,900.70 = 109,002,169.80 : x
  2. Step 2: Convert to fraction form
    111,127,933.80/166,691,900.70 = 109,002,169.80/x
  3. Step 3: Cross multiply
    111,127,933.80x = 166,691,900.70 × 109,002,169.80
  4. Step 4: Simplify right side
    111,127,933.80x = 18,169,778,864,386,136
  5. Step 5: Solve for x
    x = 18,169,778,864,386,136/111,127,933.80
  6. Step 6: Final answer
    x = 163,503,254.70

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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.