Home / 140,010,010.20-209,952,029.70-53,719,738.20

Finding the Fourth Proportional to 140,010,010.20, 209,952,029.70 and 53,719,738.20

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Solution

The fourth proportional to 140,010,010.20, 209,952,029.70 and 53,719,738.20 is: 80,555,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010,010.20 : 209,952,029.70 = 53,719,738.20 : x
  2. Step 2: Convert to fraction form
    140,010,010.20/209,952,029.70 = 53,719,738.20/x
  3. Step 3: Cross multiply
    140,010,010.20x = 209,952,029.70 × 53,719,738.20
  4. Step 4: Simplify right side
    140,010,010.20x = 11,278,568,070,042,624
  5. Step 5: Solve for x
    x = 11,278,568,070,042,624/140,010,010.20
  6. Step 6: Final answer
    x = 80,555,440.67

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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.