Home / 140,255,999.20-210,383,998.80-82,775,807.20

Finding the Fourth Proportional to 140,255,999.20, 210,383,998.80 and 82,775,807.20

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Solution

The fourth proportional to 140,255,999.20, 210,383,998.80 and 82,775,807.20 is: 124,163,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,255,999.20 : 210,383,998.80 = 82,775,807.20 : x
  2. Step 2: Convert to fraction form
    140,255,999.20/210,383,998.80 = 82,775,807.20/x
  3. Step 3: Cross multiply
    140,255,999.20x = 210,383,998.80 × 82,775,807.20
  4. Step 4: Simplify right side
    140,255,999.20x = 17,414,705,322,633,832
  5. Step 5: Solve for x
    x = 17,414,705,322,633,832/140,255,999.20
  6. Step 6: Final answer
    x = 124,163,710.80

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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.