Home / 160,659,969.55-221,715,434.64-91,043,035.63

Finding the Fourth Proportional to 160,659,969.55, 221,715,434.64 and 91,043,035.63

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Solution

The fourth proportional to 160,659,969.55, 221,715,434.64 and 91,043,035.63 is: 125,642,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,969.55 : 221,715,434.64 = 91,043,035.63 : x
  2. Step 2: Convert to fraction form
    160,659,969.55/221,715,434.64 = 91,043,035.63/x
  3. Step 3: Cross multiply
    160,659,969.55x = 221,715,434.64 × 91,043,035.63
  4. Step 4: Simplify right side
    160,659,969.55x = 20,185,646,215,650,452
  5. Step 5: Solve for x
    x = 20,185,646,215,650,452/160,659,969.55
  6. Step 6: Final answer
    x = 125,642,039.35

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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.