Home / 403,560,480.80-605,340,721.20-112,472,530.40

Finding the Fourth Proportional to 403,560,480.80, 605,340,721.20 and 112,472,530.40

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Solution

The fourth proportional to 403,560,480.80, 605,340,721.20 and 112,472,530.40 is: 168,708,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,560,480.80 : 605,340,721.20 = 112,472,530.40 : x
  2. Step 2: Convert to fraction form
    403,560,480.80/605,340,721.20 = 112,472,530.40/x
  3. Step 3: Cross multiply
    403,560,480.80x = 605,340,721.20 × 112,472,530.40
  4. Step 4: Simplify right side
    403,560,480.80x = 68,084,202,667,524,936
  5. Step 5: Solve for x
    x = 68,084,202,667,524,936/403,560,480.80
  6. Step 6: Final answer
    x = 168,708,795.60

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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.