Home / 81,544,182.14-122,337,443.37-30,426,585.50

Finding the Fourth Proportional to 81,544,182.14, 122,337,443.37 and 30,426,585.50

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Solution

The fourth proportional to 81,544,182.14, 122,337,443.37 and 30,426,585.50 is: 45,647,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,544,182.14 : 122,337,443.37 = 30,426,585.50 : x
  2. Step 2: Convert to fraction form
    81,544,182.14/122,337,443.37 = 30,426,585.50/x
  3. Step 3: Cross multiply
    81,544,182.14x = 122,337,443.37 × 30,426,585.50
  4. Step 4: Simplify right side
    81,544,182.14x = 3,722,310,680,548,713.50
  5. Step 5: Solve for x
    x = 3,722,310,680,548,713.50/81,544,182.14
  6. Step 6: Final answer
    x = 45,647,777.47

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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.