Home / 254,177,999.40-381,266,999.10-69,945,119.40

Finding the Fourth Proportional to 254,177,999.40, 381,266,999.10 and 69,945,119.40

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Solution

The fourth proportional to 254,177,999.40, 381,266,999.10 and 69,945,119.40 is: 104,917,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,177,999.40 : 381,266,999.10 = 69,945,119.40 : x
  2. Step 2: Convert to fraction form
    254,177,999.40/381,266,999.10 = 69,945,119.40/x
  3. Step 3: Cross multiply
    254,177,999.40x = 381,266,999.10 × 69,945,119.40
  4. Step 4: Simplify right side
    254,177,999.40x = 26,667,765,775,329,196
  5. Step 5: Solve for x
    x = 26,667,765,775,329,196/254,177,999.40
  6. Step 6: Final answer
    x = 104,917,679.10

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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.