Home / 123,019,982.40-184,404,002.40-71,875,675.20

Finding the Fourth Proportional to 123,019,982.40, 184,404,002.40 and 71,875,675.20

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Solution

The fourth proportional to 123,019,982.40, 184,404,002.40 and 71,875,675.20 is: 107,739,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,019,982.40 : 184,404,002.40 = 71,875,675.20 : x
  2. Step 2: Convert to fraction form
    123,019,982.40/184,404,002.40 = 71,875,675.20/x
  3. Step 3: Cross multiply
    123,019,982.40x = 184,404,002.40 × 71,875,675.20
  4. Step 4: Simplify right side
    123,019,982.40x = 13,254,162,182,082,422
  5. Step 5: Solve for x
    x = 13,254,162,182,082,422/123,019,982.40
  6. Step 6: Final answer
    x = 107,739,912.85

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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.