Home / 164,398,205.77-226,869,791.86-90,057,134.50

Finding the Fourth Proportional to 164,398,205.77, 226,869,791.86 and 90,057,134.50

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Solution

The fourth proportional to 164,398,205.77, 226,869,791.86 and 90,057,134.50 is: 124,278,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,398,205.77 : 226,869,791.86 = 90,057,134.50 : x
  2. Step 2: Convert to fraction form
    164,398,205.77/226,869,791.86 = 90,057,134.50/x
  3. Step 3: Cross multiply
    164,398,205.77x = 226,869,791.86 × 90,057,134.50
  4. Step 4: Simplify right side
    164,398,205.77x = 20,431,243,359,523,028
  5. Step 5: Solve for x
    x = 20,431,243,359,523,028/164,398,205.77
  6. Step 6: Final answer
    x = 124,278,992.36

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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.