Home / 403,813,544.64-605,822,251.68-112,680,422.88

Finding the Fourth Proportional to 403,813,544.64, 605,822,251.68 and 112,680,422.88

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Solution

The fourth proportional to 403,813,544.64, 605,822,251.68 and 112,680,422.88 is: 169,049,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,813,544.64 : 605,822,251.68 = 112,680,422.88 : x
  2. Step 2: Convert to fraction form
    403,813,544.64/605,822,251.68 = 112,680,422.88/x
  3. Step 3: Cross multiply
    403,813,544.64x = 605,822,251.68 × 112,680,422.88
  4. Step 4: Simplify right side
    403,813,544.64x = 68,264,307,509,416,184
  5. Step 5: Solve for x
    x = 68,264,307,509,416,184/403,813,544.64
  6. Step 6: Final answer
    x = 169,049,078.26

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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.