Home / 127,117,327.80-190,675,991.70-98,419,513.80

Finding the Fourth Proportional to 127,117,327.80, 190,675,991.70 and 98,419,513.80

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Solution

The fourth proportional to 127,117,327.80, 190,675,991.70 and 98,419,513.80 is: 147,629,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117,327.80 : 190,675,991.70 = 98,419,513.80 : x
  2. Step 2: Convert to fraction form
    127,117,327.80/190,675,991.70 = 98,419,513.80/x
  3. Step 3: Cross multiply
    127,117,327.80x = 190,675,991.70 × 98,419,513.80
  4. Step 4: Simplify right side
    127,117,327.80x = 18,766,238,396,446,832
  5. Step 5: Solve for x
    x = 18,766,238,396,446,832/127,117,327.80
  6. Step 6: Final answer
    x = 147,629,270.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.