Home / 91,413,513.56-137,128,241.96-25,835,340.56

Finding the Fourth Proportional to 91,413,513.56, 137,128,241.96 and 25,835,340.56

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Solution

The fourth proportional to 91,413,513.56, 137,128,241.96 and 25,835,340.56 is: 38,755,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413,513.56 : 137,128,241.96 = 25,835,340.56 : x
  2. Step 2: Convert to fraction form
    91,413,513.56/137,128,241.96 = 25,835,340.56/x
  3. Step 3: Cross multiply
    91,413,513.56x = 137,128,241.96 × 25,835,340.56
  4. Step 4: Simplify right side
    91,413,513.56x = 3,542,754,831,430,682
  5. Step 5: Solve for x
    x = 3,542,754,831,430,682/91,413,513.56
  6. Step 6: Final answer
    x = 38,755,263.78

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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.