Home / 221,429,344.85-332,144,017.28-160,207,341.65

Finding the Fourth Proportional to 221,429,344.85, 332,144,017.28 and 160,207,341.65

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Solution

The fourth proportional to 221,429,344.85, 332,144,017.28 and 160,207,341.65 is: 240,311,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,429,344.85 : 332,144,017.28 = 160,207,341.65 : x
  2. Step 2: Convert to fraction form
    221,429,344.85/332,144,017.28 = 160,207,341.65/x
  3. Step 3: Cross multiply
    221,429,344.85x = 332,144,017.28 × 160,207,341.65
  4. Step 4: Simplify right side
    221,429,344.85x = 53,211,910,052,579,424
  5. Step 5: Solve for x
    x = 53,211,910,052,579,424/221,429,344.85
  6. Step 6: Final answer
    x = 240,311,012.48

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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.