Home / 111,143,112.39-166,699,534.14-29,255,133.49

Finding the Fourth Proportional to 111,143,112.39, 166,699,534.14 and 29,255,133.49

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Solution

The fourth proportional to 111,143,112.39, 166,699,534.14 and 29,255,133.49 is: 43,878,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,112.39 : 166,699,534.14 = 29,255,133.49 : x
  2. Step 2: Convert to fraction form
    111,143,112.39/166,699,534.14 = 29,255,133.49/x
  3. Step 3: Cross multiply
    111,143,112.39x = 166,699,534.14 × 29,255,133.49
  4. Step 4: Simplify right side
    111,143,112.39x = 4,876,817,123,569,763
  5. Step 5: Solve for x
    x = 4,876,817,123,569,763/111,143,112.39
  6. Step 6: Final answer
    x = 43,878,716.54

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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.