Home / 45,479,021.40-68,218,532.10-18,171,811.35

Finding the Fourth Proportional to 45,479,021.40, 68,218,532.10 and 18,171,811.35

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Solution

The fourth proportional to 45,479,021.40, 68,218,532.10 and 18,171,811.35 is: 27,257,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,021.40 : 68,218,532.10 = 18,171,811.35 : x
  2. Step 2: Convert to fraction form
    45,479,021.40/68,218,532.10 = 18,171,811.35/x
  3. Step 3: Cross multiply
    45,479,021.40x = 68,218,532.10 × 18,171,811.35
  4. Step 4: Simplify right side
    45,479,021.40x = 1,239,654,295,895,119.25
  5. Step 5: Solve for x
    x = 1,239,654,295,895,119.25/45,479,021.40
  6. Step 6: Final answer
    x = 27,257,717.03

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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.