Home / 221,737,045.68-332,601,909.30-66,291,217.56

Finding the Fourth Proportional to 221,737,045.68, 332,601,909.30 and 66,291,217.56

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Solution

The fourth proportional to 221,737,045.68, 332,601,909.30 and 66,291,217.56 is: 99,435,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,737,045.68 : 332,601,909.30 = 66,291,217.56 : x
  2. Step 2: Convert to fraction form
    221,737,045.68/332,601,909.30 = 66,291,217.56/x
  3. Step 3: Cross multiply
    221,737,045.68x = 332,601,909.30 × 66,291,217.56
  4. Step 4: Simplify right side
    221,737,045.68x = 22,048,585,530,277,688
  5. Step 5: Solve for x
    x = 22,048,585,530,277,688/221,737,045.68
  6. Step 6: Final answer
    x = 99,435,732.37

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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.