Home / 160,659,956.54-221,715,416.71-91,043,022.62

Finding the Fourth Proportional to 160,659,956.54, 221,715,416.71 and 91,043,022.62

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Solution

The fourth proportional to 160,659,956.54, 221,715,416.71 and 91,043,022.62 is: 125,642,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,956.54 : 221,715,416.71 = 91,043,022.62 : x
  2. Step 2: Convert to fraction form
    160,659,956.54/221,715,416.71 = 91,043,022.62/x
  3. Step 3: Cross multiply
    160,659,956.54x = 221,715,416.71 × 91,043,022.62
  4. Step 4: Simplify right side
    160,659,956.54x = 20,185,641,698,731,256
  5. Step 5: Solve for x
    x = 20,185,641,698,731,256/160,659,956.54
  6. Step 6: Final answer
    x = 125,642,021.41

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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.