Home / 123,024,306.40-184,536,459.60-71,879,999.20

Finding the Fourth Proportional to 123,024,306.40, 184,536,459.60 and 71,879,999.20

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Solution

The fourth proportional to 123,024,306.40, 184,536,459.60 and 71,879,999.20 is: 107,819,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024,306.40 : 184,536,459.60 = 71,879,999.20 : x
  2. Step 2: Convert to fraction form
    123,024,306.40/184,536,459.60 = 71,879,999.20/x
  3. Step 3: Cross multiply
    123,024,306.40x = 184,536,459.60 × 71,879,999.20
  4. Step 4: Simplify right side
    123,024,306.40x = 13,264,480,568,418,832
  5. Step 5: Solve for x
    x = 13,264,480,568,418,832/123,024,306.40
  6. Step 6: Final answer
    x = 107,819,998.80

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1.5x scale

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.