Home / 160,659,968.55-221,715,433.26-91,043,034.63

Finding the Fourth Proportional to 160,659,968.55, 221,715,433.26 and 91,043,034.63

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Solution

The fourth proportional to 160,659,968.55, 221,715,433.26 and 91,043,034.63 is: 125,642,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,968.55 : 221,715,433.26 = 91,043,034.63 : x
  2. Step 2: Convert to fraction form
    160,659,968.55/221,715,433.26 = 91,043,034.63/x
  3. Step 3: Cross multiply
    160,659,968.55x = 221,715,433.26 × 91,043,034.63
  4. Step 4: Simplify right side
    160,659,968.55x = 20,185,645,868,295,632
  5. Step 5: Solve for x
    x = 20,185,645,868,295,632/160,659,968.55
  6. Step 6: Final answer
    x = 125,642,037.97

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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.