Home / 247,378,825.36-371,006,919.24-83,612,941.12

Finding the Fourth Proportional to 247,378,825.36, 371,006,919.24 and 83,612,941.12

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Solution

The fourth proportional to 247,378,825.36, 371,006,919.24 and 83,612,941.12 is: 125,398,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,378,825.36 : 371,006,919.24 = 83,612,941.12 : x
  2. Step 2: Convert to fraction form
    247,378,825.36/371,006,919.24 = 83,612,941.12/x
  3. Step 3: Cross multiply
    247,378,825.36x = 371,006,919.24 × 83,612,941.12
  4. Step 4: Simplify right side
    247,378,825.36x = 31,020,979,693,526,716
  5. Step 5: Solve for x
    x = 31,020,979,693,526,716/247,378,825.36
  6. Step 6: Final answer
    x = 125,398,686.20

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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.