Home / 100,198,910.79-150,302,335.39-47,663,963.19

Finding the Fourth Proportional to 100,198,910.79, 150,302,335.39 and 47,663,963.19

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Solution

The fourth proportional to 100,198,910.79, 150,302,335.39 and 47,663,963.19 is: 71,497,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,198,910.79 : 150,302,335.39 = 47,663,963.19 : x
  2. Step 2: Convert to fraction form
    100,198,910.79/150,302,335.39 = 47,663,963.19/x
  3. Step 3: Cross multiply
    100,198,910.79x = 150,302,335.39 × 47,663,963.19
  4. Step 4: Simplify right side
    100,198,910.79x = 7,164,004,981,280,833
  5. Step 5: Solve for x
    x = 7,164,004,981,280,833/100,198,910.79
  6. Step 6: Final answer
    x = 71,497,832.91

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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.