Home / 100,448,046.70-150,672,179.40-39,863,772.70

Finding the Fourth Proportional to 100,448,046.70, 150,672,179.40 and 39,863,772.70

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Solution

The fourth proportional to 100,448,046.70, 150,672,179.40 and 39,863,772.70 is: 59,795,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,448,046.70 : 150,672,179.40 = 39,863,772.70 : x
  2. Step 2: Convert to fraction form
    100,448,046.70/150,672,179.40 = 39,863,772.70/x
  3. Step 3: Cross multiply
    100,448,046.70x = 150,672,179.40 × 39,863,772.70
  4. Step 4: Simplify right side
    100,448,046.70x = 6,006,361,511,815,223
  5. Step 5: Solve for x
    x = 6,006,361,511,815,223/100,448,046.70
  6. Step 6: Final answer
    x = 59,795,702.45

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1.5x scale

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.