Home / 137,608,930,803.40-206,413,396,205.10-43,310,783,780.80

Finding the Fourth Proportional to 137,608,930,803.40, 206,413,396,205.10 and 43,310,783,780.80

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Solution

The fourth proportional to 137,608,930,803.40, 206,413,396,205.10 and 43,310,783,780.80 is: 64,966,175,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,608,930,803.40 : 206,413,396,205.10 = 43,310,783,780.80 : x
  2. Step 2: Convert to fraction form
    137,608,930,803.40/206,413,396,205.10 = 43,310,783,780.80/x
  3. Step 3: Cross multiply
    137,608,930,803.40x = 206,413,396,205.10 × 43,310,783,780.80
  4. Step 4: Simplify right side
    137,608,930,803.40x = 8,939,925,972,499,690,422,272
  5. Step 5: Solve for x
    x = 8,939,925,972,499,690,422,272/137,608,930,803.40
  6. Step 6: Final answer
    x = 64,966,175,671.20

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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.