Home / 276,040,112.60-414,396,092.10-139,655,293.40

Finding the Fourth Proportional to 276,040,112.60, 414,396,092.10 and 139,655,293.40

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Solution

The fourth proportional to 276,040,112.60, 414,396,092.10 and 139,655,293.40 is: 209,652,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,040,112.60 : 414,396,092.10 = 139,655,293.40 : x
  2. Step 2: Convert to fraction form
    276,040,112.60/414,396,092.10 = 139,655,293.40/x
  3. Step 3: Cross multiply
    276,040,112.60x = 414,396,092.10 × 139,655,293.40
  4. Step 4: Simplify right side
    276,040,112.60x = 57,872,607,826,038,928
  5. Step 5: Solve for x
    x = 57,872,607,826,038,928/276,040,112.60
  6. Step 6: Final answer
    x = 209,652,891.68

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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.