Home / 156,569,396.82-216,039,823-90,496,059

Finding the Fourth Proportional to 156,569,396.82, 216,039,823 and 90,496,059

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Solution

The fourth proportional to 156,569,396.82, 216,039,823 and 90,496,059 is: 124,869,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,569,396.82 : 216,039,823 = 90,496,059 : x
  2. Step 2: Convert to fraction form
    156,569,396.82/216,039,823 = 90,496,059/x
  3. Step 3: Cross multiply
    156,569,396.82x = 216,039,823 × 90,496,059
  4. Step 4: Simplify right side
    156,569,396.82x = 19,550,752,568,557,556
  5. Step 5: Solve for x
    x = 19,550,752,568,557,556/156,569,396.82
  6. Step 6: Final answer
    x = 124,869,565.61

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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.