Home / 111,325,631.52-166,084,520.28-105,299,090.04

Finding the Fourth Proportional to 111,325,631.52, 166,084,520.28 and 105,299,090.04

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Solution

The fourth proportional to 111,325,631.52, 166,084,520.28 and 105,299,090.04 is: 157,093,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325,631.52 : 166,084,520.28 = 105,299,090.04 : x
  2. Step 2: Convert to fraction form
    111,325,631.52/166,084,520.28 = 105,299,090.04/x
  3. Step 3: Cross multiply
    111,325,631.52x = 166,084,520.28 × 105,299,090.04
  4. Step 4: Simplify right side
    111,325,631.52x = 17,488,548,855,213,928
  5. Step 5: Solve for x
    x = 17,488,548,855,213,928/111,325,631.52
  6. Step 6: Final answer
    x = 157,093,641.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.