Home / 111,169,956.20-166,754,934.30-30,390,924.20

Finding the Fourth Proportional to 111,169,956.20, 166,754,934.30 and 30,390,924.20

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Solution

The fourth proportional to 111,169,956.20, 166,754,934.30 and 30,390,924.20 is: 45,586,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,169,956.20 : 166,754,934.30 = 30,390,924.20 : x
  2. Step 2: Convert to fraction form
    111,169,956.20/166,754,934.30 = 30,390,924.20/x
  3. Step 3: Cross multiply
    111,169,956.20x = 166,754,934.30 × 30,390,924.20
  4. Step 4: Simplify right side
    111,169,956.20x = 5,067,836,568,287,280
  5. Step 5: Solve for x
    x = 5,067,836,568,287,280/111,169,956.20
  6. Step 6: Final answer
    x = 45,586,386.30

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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.