Home / 72,174,896.33-99,601,249.23-39,135,085.43

Finding the Fourth Proportional to 72,174,896.33, 99,601,249.23 and 39,135,085.43

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Solution

The fourth proportional to 72,174,896.33, 99,601,249.23 and 39,135,085.43 is: 54,006,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,174,896.33 : 99,601,249.23 = 39,135,085.43 : x
  2. Step 2: Convert to fraction form
    72,174,896.33/99,601,249.23 = 39,135,085.43/x
  3. Step 3: Cross multiply
    72,174,896.33x = 99,601,249.23 × 39,135,085.43
  4. Step 4: Simplify right side
    72,174,896.33x = 3,897,903,397,799,774.50
  5. Step 5: Solve for x
    x = 3,897,903,397,799,774.50/72,174,896.33
  6. Step 6: Final answer
    x = 54,006,359.49

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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.