Home / 123,020,505.40-184,404,786.90-71,876,198.20

Finding the Fourth Proportional to 123,020,505.40, 184,404,786.90 and 71,876,198.20

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Solution

The fourth proportional to 123,020,505.40, 184,404,786.90 and 71,876,198.20 is: 107,740,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,505.40 : 184,404,786.90 = 71,876,198.20 : x
  2. Step 2: Convert to fraction form
    123,020,505.40/184,404,786.90 = 71,876,198.20/x
  3. Step 3: Cross multiply
    123,020,505.40x = 184,404,786.90 × 71,876,198.20
  4. Step 4: Simplify right side
    123,020,505.40x = 13,254,315,012,253,164
  5. Step 5: Solve for x
    x = 13,254,315,012,253,164/123,020,505.40
  6. Step 6: Final answer
    x = 107,740,697.12

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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.