Home / 111,091,712.52-166,638,122.82-45,548,650.65

Finding the Fourth Proportional to 111,091,712.52, 166,638,122.82 and 45,548,650.65

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Solution

The fourth proportional to 111,091,712.52, 166,638,122.82 and 45,548,650.65 is: 68,323,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091,712.52 : 166,638,122.82 = 45,548,650.65 : x
  2. Step 2: Convert to fraction form
    111,091,712.52/166,638,122.82 = 45,548,650.65/x
  3. Step 3: Cross multiply
    111,091,712.52x = 166,638,122.82 × 45,548,650.65
  4. Step 4: Simplify right side
    111,091,712.52x = 7,590,141,641,299,972
  5. Step 5: Solve for x
    x = 7,590,141,641,299,972/111,091,712.52
  6. Step 6: Final answer
    x = 68,323,203.14

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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.