Home / 91,788,481.90-137,650,639.56-27,075,108.16

Finding the Fourth Proportional to 91,788,481.90, 137,650,639.56 and 27,075,108.16

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Solution

The fourth proportional to 91,788,481.90, 137,650,639.56 and 27,075,108.16 is: 40,603,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788,481.90 : 137,650,639.56 = 27,075,108.16 : x
  2. Step 2: Convert to fraction form
    91,788,481.90/137,650,639.56 = 27,075,108.16/x
  3. Step 3: Cross multiply
    91,788,481.90x = 137,650,639.56 × 27,075,108.16
  4. Step 4: Simplify right side
    91,788,481.90x = 3,726,905,954,380,175
  5. Step 5: Solve for x
    x = 3,726,905,954,380,175/91,788,481.90
  6. Step 6: Final answer
    x = 40,603,198.54

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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.