Home / 164,844,490.38-227,485,844.34-90,509,865.66

Finding the Fourth Proportional to 164,844,490.38, 227,485,844.34 and 90,509,865.66

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Solution

The fourth proportional to 164,844,490.38, 227,485,844.34 and 90,509,865.66 is: 124,903,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,844,490.38 : 227,485,844.34 = 90,509,865.66 : x
  2. Step 2: Convert to fraction form
    164,844,490.38/227,485,844.34 = 90,509,865.66/x
  3. Step 3: Cross multiply
    164,844,490.38x = 227,485,844.34 × 90,509,865.66
  4. Step 4: Simplify right side
    164,844,490.38x = 20,589,713,210,425,660
  5. Step 5: Solve for x
    x = 20,589,713,210,425,660/164,844,490.38
  6. Step 6: Final answer
    x = 124,903,860.38

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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.