Home / 123,020,729.40-184,405,122.90-71,876,422.20

Finding the Fourth Proportional to 123,020,729.40, 184,405,122.90 and 71,876,422.20

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Solution

The fourth proportional to 123,020,729.40, 184,405,122.90 and 71,876,422.20 is: 107,741,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,729.40 : 184,405,122.90 = 71,876,422.20 : x
  2. Step 2: Convert to fraction form
    123,020,729.40/184,405,122.90 = 71,876,422.20/x
  3. Step 3: Cross multiply
    123,020,729.40x = 184,405,122.90 × 71,876,422.20
  4. Step 4: Simplify right side
    123,020,729.40x = 13,254,380,469,403,290
  5. Step 5: Solve for x
    x = 13,254,380,469,403,290/123,020,729.40
  6. Step 6: Final answer
    x = 107,741,033.03

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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.