Home / 262,040,793.66-393,047,018.73-80,288,496.54

Finding the Fourth Proportional to 262,040,793.66, 393,047,018.73 and 80,288,496.54

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Solution

The fourth proportional to 262,040,793.66, 393,047,018.73 and 80,288,496.54 is: 120,428,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,040,793.66 : 393,047,018.73 = 80,288,496.54 : x
  2. Step 2: Convert to fraction form
    262,040,793.66/393,047,018.73 = 80,288,496.54/x
  3. Step 3: Cross multiply
    262,040,793.66x = 393,047,018.73 × 80,288,496.54
  4. Step 4: Simplify right side
    262,040,793.66x = 31,557,154,203,360,924
  5. Step 5: Solve for x
    x = 31,557,154,203,360,924/262,040,793.66
  6. Step 6: Final answer
    x = 120,428,402.63

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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.