Home / 300,223,031.07-450,625,039.94-144,886,189.48

Finding the Fourth Proportional to 300,223,031.07, 450,625,039.94 and 144,886,189.48

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Solution

The fourth proportional to 300,223,031.07, 450,625,039.94 and 144,886,189.48 is: 217,469,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,223,031.07 : 450,625,039.94 = 144,886,189.48 : x
  2. Step 2: Convert to fraction form
    300,223,031.07/450,625,039.94 = 144,886,189.48/x
  3. Step 3: Cross multiply
    300,223,031.07x = 450,625,039.94 × 144,886,189.48
  4. Step 4: Simplify right side
    300,223,031.07x = 65,289,344,921,179,400
  5. Step 5: Solve for x
    x = 65,289,344,921,179,400/300,223,031.07
  6. Step 6: Final answer
    x = 217,469,474.90

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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.