Home / 201,795,205.80-278,477,381.45-108,975,705.44

Finding the Fourth Proportional to 201,795,205.80, 278,477,381.45 and 108,975,705.44

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Solution

The fourth proportional to 201,795,205.80, 278,477,381.45 and 108,975,705.44 is: 150,386,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,205.80 : 278,477,381.45 = 108,975,705.44 : x
  2. Step 2: Convert to fraction form
    201,795,205.80/278,477,381.45 = 108,975,705.44/x
  3. Step 3: Cross multiply
    201,795,205.80x = 278,477,381.45 × 108,975,705.44
  4. Step 4: Simplify right side
    201,795,205.80x = 30,347,269,092,597,720
  5. Step 5: Solve for x
    x = 30,347,269,092,597,720/201,795,205.80
  6. Step 6: Final answer
    x = 150,386,472.13

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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.