Home / 115,321,218.21-159,143,177.48-65,096,010.98

Finding the Fourth Proportional to 115,321,218.21, 159,143,177.48 and 65,096,010.98

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Solution

The fourth proportional to 115,321,218.21, 159,143,177.48 and 65,096,010.98 is: 89,832,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321,218.21 : 159,143,177.48 = 65,096,010.98 : x
  2. Step 2: Convert to fraction form
    115,321,218.21/159,143,177.48 = 65,096,010.98/x
  3. Step 3: Cross multiply
    115,321,218.21x = 159,143,177.48 × 65,096,010.98
  4. Step 4: Simplify right side
    115,321,218.21x = 10,359,586,029,190,766
  5. Step 5: Solve for x
    x = 10,359,586,029,190,766/115,321,218.21
  6. Step 6: Final answer
    x = 89,832,436.65

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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.