Home / 160,659,955.54-221,715,415.33-91,043,021.62

Finding the Fourth Proportional to 160,659,955.54, 221,715,415.33 and 91,043,021.62

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Solution

The fourth proportional to 160,659,955.54, 221,715,415.33 and 91,043,021.62 is: 125,642,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,955.54 : 221,715,415.33 = 91,043,021.62 : x
  2. Step 2: Convert to fraction form
    160,659,955.54/221,715,415.33 = 91,043,021.62/x
  3. Step 3: Cross multiply
    160,659,955.54x = 221,715,415.33 × 91,043,021.62
  4. Step 4: Simplify right side
    160,659,955.54x = 20,185,641,351,376,472
  5. Step 5: Solve for x
    x = 20,185,641,351,376,472/160,659,955.54
  6. Step 6: Final answer
    x = 125,642,020.03

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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.