Home / 202,143,042.86-278,957,585.12-109,323,550.67

Finding the Fourth Proportional to 202,143,042.86, 278,957,585.12 and 109,323,550.67

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Solution

The fourth proportional to 202,143,042.86, 278,957,585.12 and 109,323,550.67 is: 150,866,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,143,042.86 : 278,957,585.12 = 109,323,550.67 : x
  2. Step 2: Convert to fraction form
    202,143,042.86/278,957,585.12 = 109,323,550.67/x
  3. Step 3: Cross multiply
    202,143,042.86x = 278,957,585.12 × 109,323,550.67
  4. Step 4: Simplify right side
    202,143,042.86x = 30,496,633,689,705,756
  5. Step 5: Solve for x
    x = 30,496,633,689,705,756/202,143,042.86
  6. Step 6: Final answer
    x = 150,866,600.50

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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.