Home / 132,057,243.20-198,085,864.80-83,377,247.60

Finding the Fourth Proportional to 132,057,243.20, 198,085,864.80 and 83,377,247.60

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Solution

The fourth proportional to 132,057,243.20, 198,085,864.80 and 83,377,247.60 is: 125,065,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,057,243.20 : 198,085,864.80 = 83,377,247.60 : x
  2. Step 2: Convert to fraction form
    132,057,243.20/198,085,864.80 = 83,377,247.60/x
  3. Step 3: Cross multiply
    132,057,243.20x = 198,085,864.80 × 83,377,247.60
  4. Step 4: Simplify right side
    132,057,243.20x = 16,515,854,195,489,724
  5. Step 5: Solve for x
    x = 16,515,854,195,489,724/132,057,243.20
  6. Step 6: Final answer
    x = 125,065,871.40

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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.