Home / 300,223,031.19-450,625,040.12-144,886,189.61

Finding the Fourth Proportional to 300,223,031.19, 450,625,040.12 and 144,886,189.61

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Solution

The fourth proportional to 300,223,031.19, 450,625,040.12 and 144,886,189.61 is: 217,469,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,223,031.19 : 450,625,040.12 = 144,886,189.61 : x
  2. Step 2: Convert to fraction form
    300,223,031.19/450,625,040.12 = 144,886,189.61/x
  3. Step 3: Cross multiply
    300,223,031.19x = 450,625,040.12 × 144,886,189.61
  4. Step 4: Simplify right side
    300,223,031.19x = 65,289,345,003,949,264
  5. Step 5: Solve for x
    x = 65,289,345,003,949,264/300,223,031.19
  6. Step 6: Final answer
    x = 217,469,475.09

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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.