Home / 202,583,515.56-279,457,410.77-123,222,849.77

Finding the Fourth Proportional to 202,583,515.56, 279,457,410.77 and 123,222,849.77

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Solution

The fourth proportional to 202,583,515.56, 279,457,410.77 and 123,222,849.77 is: 169,981,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,583,515.56 : 279,457,410.77 = 123,222,849.77 : x
  2. Step 2: Convert to fraction form
    202,583,515.56/279,457,410.77 = 123,222,849.77/x
  3. Step 3: Cross multiply
    202,583,515.56x = 279,457,410.77 × 123,222,849.77
  4. Step 4: Simplify right side
    202,583,515.56x = 34,435,538,542,411,488
  5. Step 5: Solve for x
    x = 34,435,538,542,411,488/202,583,515.56
  6. Step 6: Final answer
    x = 169,981,937.81

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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.