Home / 109,512,043.20-164,268,064.80-91,596,139.20

Finding the Fourth Proportional to 109,512,043.20, 164,268,064.80 and 91,596,139.20

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Solution

The fourth proportional to 109,512,043.20, 164,268,064.80 and 91,596,139.20 is: 137,394,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512,043.20 : 164,268,064.80 = 91,596,139.20 : x
  2. Step 2: Convert to fraction form
    109,512,043.20/164,268,064.80 = 91,596,139.20/x
  3. Step 3: Cross multiply
    109,512,043.20x = 164,268,064.80 × 91,596,139.20
  4. Step 4: Simplify right side
    109,512,043.20x = 15,046,320,529,535,422
  5. Step 5: Solve for x
    x = 15,046,320,529,535,422/109,512,043.20
  6. Step 6: Final answer
    x = 137,394,208.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.