Home / 202,571,517.10-279,463,091.79-135,612,047.32

Finding the Fourth Proportional to 202,571,517.10, 279,463,091.79 and 135,612,047.32

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Solution

The fourth proportional to 202,571,517.10, 279,463,091.79 and 135,612,047.32 is: 187,087,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,571,517.10 : 279,463,091.79 = 135,612,047.32 : x
  2. Step 2: Convert to fraction form
    202,571,517.10/279,463,091.79 = 135,612,047.32/x
  3. Step 3: Cross multiply
    202,571,517.10x = 279,463,091.79 × 135,612,047.32
  4. Step 4: Simplify right side
    202,571,517.10x = 37,898,562,028,018,984
  5. Step 5: Solve for x
    x = 37,898,562,028,018,984/202,571,517.10
  6. Step 6: Final answer
    x = 187,087,318.94

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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.