Home / 189,213,952.14-261,054,112.14-105,568,521.30

Finding the Fourth Proportional to 189,213,952.14, 261,054,112.14 and 105,568,521.30

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Solution

The fourth proportional to 189,213,952.14, 261,054,112.14 and 105,568,521.30 is: 145,650,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,213,952.14 : 261,054,112.14 = 105,568,521.30 : x
  2. Step 2: Convert to fraction form
    189,213,952.14/261,054,112.14 = 105,568,521.30/x
  3. Step 3: Cross multiply
    189,213,952.14x = 261,054,112.14 × 105,568,521.30
  4. Step 4: Simplify right side
    189,213,952.14x = 27,559,096,597,904,176
  5. Step 5: Solve for x
    x = 27,559,096,597,904,176/189,213,952.14
  6. Step 6: Final answer
    x = 145,650,446.42

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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.