Home / 111,218,102.45-166,827,153.68-103,659,830.45

Finding the Fourth Proportional to 111,218,102.45, 166,827,153.68 and 103,659,830.45

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Solution

The fourth proportional to 111,218,102.45, 166,827,153.68 and 103,659,830.45 is: 155,489,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,102.45 : 166,827,153.68 = 103,659,830.45 : x
  2. Step 2: Convert to fraction form
    111,218,102.45/166,827,153.68 = 103,659,830.45/x
  3. Step 3: Cross multiply
    111,218,102.45x = 166,827,153.68 × 103,659,830.45
  4. Step 4: Simplify right side
    111,218,102.45x = 17,293,274,464,924,894
  5. Step 5: Solve for x
    x = 17,293,274,464,924,894/111,218,102.45
  6. Step 6: Final answer
    x = 155,489,745.68

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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.