Home / 136,180,442.25-187,986,997.52-91,552,297.05

Finding the Fourth Proportional to 136,180,442.25, 187,986,997.52 and 91,552,297.05

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Solution

The fourth proportional to 136,180,442.25, 187,986,997.52 and 91,552,297.05 is: 126,381,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180,442.25 : 187,986,997.52 = 91,552,297.05 : x
  2. Step 2: Convert to fraction form
    136,180,442.25/187,986,997.52 = 91,552,297.05/x
  3. Step 3: Cross multiply
    136,180,442.25x = 187,986,997.52 × 91,552,297.05
  4. Step 4: Simplify right side
    136,180,442.25x = 17,210,641,438,030,890
  5. Step 5: Solve for x
    x = 17,210,641,438,030,890/136,180,442.25
  6. Step 6: Final answer
    x = 126,381,153.96

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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.