Home / 85,132,362.72-117,482,659.45-45,974,138.51

Finding the Fourth Proportional to 85,132,362.72, 117,482,659.45 and 45,974,138.51

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Solution

The fourth proportional to 85,132,362.72, 117,482,659.45 and 45,974,138.51 is: 63,444,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132,362.72 : 117,482,659.45 = 45,974,138.51 : x
  2. Step 2: Convert to fraction form
    85,132,362.72/117,482,659.45 = 45,974,138.51/x
  3. Step 3: Cross multiply
    85,132,362.72x = 117,482,659.45 × 45,974,138.51
  4. Step 4: Simplify right side
    85,132,362.72x = 5,401,164,057,853,766
  5. Step 5: Solve for x
    x = 5,401,164,057,853,766/85,132,362.72
  6. Step 6: Final answer
    x = 63,444,310.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.