Home / 208,752,884.53-313,127,332.94-126,894,363.91

Finding the Fourth Proportional to 208,752,884.53, 313,127,332.94 and 126,894,363.91

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Solution

The fourth proportional to 208,752,884.53, 313,127,332.94 and 126,894,363.91 is: 190,340,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,752,884.53 : 313,127,332.94 = 126,894,363.91 : x
  2. Step 2: Convert to fraction form
    208,752,884.53/313,127,332.94 = 126,894,363.91/x
  3. Step 3: Cross multiply
    208,752,884.53x = 313,127,332.94 × 126,894,363.91
  4. Step 4: Simplify right side
    208,752,884.53x = 39,734,093,735,790,504
  5. Step 5: Solve for x
    x = 39,734,093,735,790,504/208,752,884.53
  6. Step 6: Final answer
    x = 190,340,333.86

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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.