Home / 200,561,740.96-300,869,380.32-79,364,849.44

Finding the Fourth Proportional to 200,561,740.96, 300,869,380.32 and 79,364,849.44

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Solution

The fourth proportional to 200,561,740.96, 300,869,380.32 and 79,364,849.44 is: 119,057,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,561,740.96 : 300,869,380.32 = 79,364,849.44 : x
  2. Step 2: Convert to fraction form
    200,561,740.96/300,869,380.32 = 79,364,849.44/x
  3. Step 3: Cross multiply
    200,561,740.96x = 300,869,380.32 × 79,364,849.44
  4. Step 4: Simplify right side
    200,561,740.96x = 23,878,453,070,202,896
  5. Step 5: Solve for x
    x = 23,878,453,070,202,896/200,561,740.96
  6. Step 6: Final answer
    x = 119,057,866.95

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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.