Home / 83,328,532.41-124,485,982.89-53,942,979.31

Finding the Fourth Proportional to 83,328,532.41, 124,485,982.89 and 53,942,979.31

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Solution

The fourth proportional to 83,328,532.41, 124,485,982.89 and 53,942,979.31 is: 80,586,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328,532.41 : 124,485,982.89 = 53,942,979.31 : x
  2. Step 2: Convert to fraction form
    83,328,532.41/124,485,982.89 = 53,942,979.31/x
  3. Step 3: Cross multiply
    83,328,532.41x = 124,485,982.89 × 53,942,979.31
  4. Step 4: Simplify right side
    83,328,532.41x = 6,715,144,798,906,783
  5. Step 5: Solve for x
    x = 6,715,144,798,906,783/83,328,532.41
  6. Step 6: Final answer
    x = 80,586,380.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.