Home / 99,709,573.35-137,622,169.62-58,469,751.75

Finding the Fourth Proportional to 99,709,573.35, 137,622,169.62 and 58,469,751.75

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Solution

The fourth proportional to 99,709,573.35, 137,622,169.62 and 58,469,751.75 is: 80,701,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709,573.35 : 137,622,169.62 = 58,469,751.75 : x
  2. Step 2: Convert to fraction form
    99,709,573.35/137,622,169.62 = 58,469,751.75/x
  3. Step 3: Cross multiply
    99,709,573.35x = 137,622,169.62 × 58,469,751.75
  4. Step 4: Simplify right side
    99,709,573.35x = 8,046,734,092,977,792
  5. Step 5: Solve for x
    x = 8,046,734,092,977,792/99,709,573.35
  6. Step 6: Final answer
    x = 80,701,720.23

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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.