Home / 330,415,456.69-495,679,649.75-136,220,715.14

Finding the Fourth Proportional to 330,415,456.69, 495,679,649.75 and 136,220,715.14

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Solution

The fourth proportional to 330,415,456.69, 495,679,649.75 and 136,220,715.14 is: 204,354,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,415,456.69 : 495,679,649.75 = 136,220,715.14 : x
  2. Step 2: Convert to fraction form
    330,415,456.69/495,679,649.75 = 136,220,715.14/x
  3. Step 3: Cross multiply
    330,415,456.69x = 495,679,649.75 × 136,220,715.14
  4. Step 4: Simplify right side
    330,415,456.69x = 67,521,836,368,608,616
  5. Step 5: Solve for x
    x = 67,521,836,368,608,616/330,415,456.69
  6. Step 6: Final answer
    x = 204,354,351.48

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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.