Home / 164,844,494.30-227,485,849.78-90,509,869.59

Finding the Fourth Proportional to 164,844,494.30, 227,485,849.78 and 90,509,869.59

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Solution

The fourth proportional to 164,844,494.30, 227,485,849.78 and 90,509,869.59 is: 124,903,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,844,494.30 : 227,485,849.78 = 90,509,869.59 : x
  2. Step 2: Convert to fraction form
    164,844,494.30/227,485,849.78 = 90,509,869.59/x
  3. Step 3: Cross multiply
    164,844,494.30x = 227,485,849.78 × 90,509,869.59
  4. Step 4: Simplify right side
    164,844,494.30x = 20,589,714,596,418,196
  5. Step 5: Solve for x
    x = 20,589,714,596,418,196/164,844,494.30
  6. Step 6: Final answer
    x = 124,903,865.81

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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.