Home / 142,659,544.89-196,866,840.92-83,925,991.83

Finding the Fourth Proportional to 142,659,544.89, 196,866,840.92 and 83,925,991.83

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Solution

The fourth proportional to 142,659,544.89, 196,866,840.92 and 83,925,991.83 is: 115,815,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,659,544.89 : 196,866,840.92 = 83,925,991.83 : x
  2. Step 2: Convert to fraction form
    142,659,544.89/196,866,840.92 = 83,925,991.83/x
  3. Step 3: Cross multiply
    142,659,544.89x = 196,866,840.92 × 83,925,991.83
  4. Step 4: Simplify right side
    142,659,544.89x = 16,522,244,882,230,198
  5. Step 5: Solve for x
    x = 16,522,244,882,230,198/142,659,544.89
  6. Step 6: Final answer
    x = 115,815,909.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.