Home / 79,760,584.98-119,640,878.43-19,176,311.22

Finding the Fourth Proportional to 79,760,584.98, 119,640,878.43 and 19,176,311.22

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Solution

The fourth proportional to 79,760,584.98, 119,640,878.43 and 19,176,311.22 is: 28,764,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,760,584.98 : 119,640,878.43 = 19,176,311.22 : x
  2. Step 2: Convert to fraction form
    79,760,584.98/119,640,878.43 = 19,176,311.22/x
  3. Step 3: Cross multiply
    79,760,584.98x = 119,640,878.43 × 19,176,311.22
  4. Step 4: Simplify right side
    79,760,584.98x = 2,294,270,719,407,865
  5. Step 5: Solve for x
    x = 2,294,270,719,407,865/79,760,584.98
  6. Step 6: Final answer
    x = 28,764,467.06

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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.