Home / 160,659,955.52-221,715,415.35-91,043,021.60

Finding the Fourth Proportional to 160,659,955.52, 221,715,415.35 and 91,043,021.60

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Solution

The fourth proportional to 160,659,955.52, 221,715,415.35 and 91,043,021.60 is: 125,642,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,955.52 : 221,715,415.35 = 91,043,021.60 : x
  2. Step 2: Convert to fraction form
    160,659,955.52/221,715,415.35 = 91,043,021.60/x
  3. Step 3: Cross multiply
    160,659,955.52x = 221,715,415.35 × 91,043,021.60
  4. Step 4: Simplify right side
    160,659,955.52x = 20,185,641,348,763,020
  5. Step 5: Solve for x
    x = 20,185,641,348,763,020/160,659,955.52
  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.