Home / 111,218,112.70-166,827,169.05-103,659,840.70

Finding the Fourth Proportional to 111,218,112.70, 166,827,169.05 and 103,659,840.70

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Solution

The fourth proportional to 111,218,112.70, 166,827,169.05 and 103,659,840.70 is: 155,489,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,112.70 : 166,827,169.05 = 103,659,840.70 : x
  2. Step 2: Convert to fraction form
    111,218,112.70/166,827,169.05 = 103,659,840.70/x
  3. Step 3: Cross multiply
    111,218,112.70x = 166,827,169.05 × 103,659,840.70
  4. Step 4: Simplify right side
    111,218,112.70x = 17,293,277,768,154,972
  5. Step 5: Solve for x
    x = 17,293,277,768,154,972/111,218,112.70
  6. Step 6: Final answer
    x = 155,489,761.05

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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.