Home / 81,685,845.15-114,647,161.35-81,685,845.15

Finding the Fourth Proportional to 81,685,845.15, 114,647,161.35 and 81,685,845.15

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Solution

The fourth proportional to 81,685,845.15, 114,647,161.35 and 81,685,845.15 is: 114,647,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,685,845.15 : 114,647,161.35 = 81,685,845.15 : x
  2. Step 2: Convert to fraction form
    81,685,845.15/114,647,161.35 = 81,685,845.15/x
  3. Step 3: Cross multiply
    81,685,845.15x = 114,647,161.35 × 81,685,845.15
  4. Step 4: Simplify right side
    81,685,845.15x = 9,365,050,268,923,166
  5. Step 5: Solve for x
    x = 9,365,050,268,923,166/81,685,845.15
  6. Step 6: Final answer
    x = 114,647,161.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.