Home / 30,568,290.56-42,166,723.20-19,102,112

Finding the Fourth Proportional to 30,568,290.56, 42,166,723.20 and 19,102,112

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Solution

The fourth proportional to 30,568,290.56, 42,166,723.20 and 19,102,112 is: 26,349,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568,290.56 : 42,166,723.20 = 19,102,112 : x
  2. Step 2: Convert to fraction form
    30,568,290.56/42,166,723.20 = 19,102,112/x
  3. Step 3: Cross multiply
    30,568,290.56x = 42,166,723.20 × 19,102,112
  4. Step 4: Simplify right side
    30,568,290.56x = 805,473,469,239,398.50
  5. Step 5: Solve for x
    x = 805,473,469,239,398.50/30,568,290.56
  6. Step 6: Final answer
    x = 26,349,967.71

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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.