Home / 202,571,507.27-279,463,079.39-135,612,038.73

Finding the Fourth Proportional to 202,571,507.27, 279,463,079.39 and 135,612,038.73

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Solution

The fourth proportional to 202,571,507.27, 279,463,079.39 and 135,612,038.73 is: 187,087,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,571,507.27 : 279,463,079.39 = 135,612,038.73 : x
  2. Step 2: Convert to fraction form
    202,571,507.27/279,463,079.39 = 135,612,038.73/x
  3. Step 3: Cross multiply
    202,571,507.27x = 279,463,079.39 × 135,612,038.73
  4. Step 4: Simplify right side
    202,571,507.27x = 37,898,557,945,841,736
  5. Step 5: Solve for x
    x = 37,898,557,945,841,736/202,571,507.27
  6. Step 6: Final answer
    x = 187,087,307.87

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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.