Home / 155,680,128-214,802,934.39-92,944,016.10

Finding the Fourth Proportional to 155,680,128, 214,802,934.39 and 92,944,016.10

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Solution

The fourth proportional to 155,680,128, 214,802,934.39 and 92,944,016.10 is: 128,241,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,680,128 : 214,802,934.39 = 92,944,016.10 : x
  2. Step 2: Convert to fraction form
    155,680,128/214,802,934.39 = 92,944,016.10/x
  3. Step 3: Cross multiply
    155,680,128x = 214,802,934.39 × 92,944,016.10
  4. Step 4: Simplify right side
    155,680,128x = 19,964,647,392,271,400
  5. Step 5: Solve for x
    x = 19,964,647,392,271,400/155,680,128
  6. Step 6: Final answer
    x = 128,241,463.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.