Home / 160,659,977.60-221,715,445.77-91,043,043.68

Finding the Fourth Proportional to 160,659,977.60, 221,715,445.77 and 91,043,043.68

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Solution

The fourth proportional to 160,659,977.60, 221,715,445.77 and 91,043,043.68 is: 125,642,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659,977.60 : 221,715,445.77 = 91,043,043.68 : x
  2. Step 2: Convert to fraction form
    160,659,977.60/221,715,445.77 = 91,043,043.68/x
  3. Step 3: Cross multiply
    160,659,977.60x = 221,715,445.77 × 91,043,043.68
  4. Step 4: Simplify right side
    160,659,977.60x = 20,185,649,012,660,204
  5. Step 5: Solve for x
    x = 20,185,649,012,660,204/160,659,977.60
  6. Step 6: Final answer
    x = 125,642,050.46

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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.