Home / 91,351,280.56-136,972,198.38-29,075,694.72

Finding the Fourth Proportional to 91,351,280.56, 136,972,198.38 and 29,075,694.72

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Solution

The fourth proportional to 91,351,280.56, 136,972,198.38 and 29,075,694.72 is: 43,596,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351,280.56 : 136,972,198.38 = 29,075,694.72 : x
  2. Step 2: Convert to fraction form
    91,351,280.56/136,972,198.38 = 29,075,694.72/x
  3. Step 3: Cross multiply
    91,351,280.56x = 136,972,198.38 × 29,075,694.72
  4. Step 4: Simplify right side
    91,351,280.56x = 3,982,561,824,539,297.50
  5. Step 5: Solve for x
    x = 3,982,561,824,539,297.50/91,351,280.56
  6. Step 6: Final answer
    x = 43,596,124.76

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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.