Home / 91,287,701.88-136,939,993.20-33,009,925.56

Finding the Fourth Proportional to 91,287,701.88, 136,939,993.20 and 33,009,925.56

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Solution

The fourth proportional to 91,287,701.88, 136,939,993.20 and 33,009,925.56 is: 49,517,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,287,701.88 : 136,939,993.20 = 33,009,925.56 : x
  2. Step 2: Convert to fraction form
    91,287,701.88/136,939,993.20 = 33,009,925.56/x
  3. Step 3: Cross multiply
    91,287,701.88x = 136,939,993.20 × 33,009,925.56
  4. Step 4: Simplify right side
    91,287,701.88x = 4,520,378,981,718,906
  5. Step 5: Solve for x
    x = 4,520,378,981,718,906/91,287,701.88
  6. Step 6: Final answer
    x = 49,517,940.41

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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.