Home / 76,540,485.09-114,864,537.84-69,222,542.52

Finding the Fourth Proportional to 76,540,485.09, 114,864,537.84 and 69,222,542.52

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Solution

The fourth proportional to 76,540,485.09, 114,864,537.84 and 69,222,542.52 is: 103,882,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540,485.09 : 114,864,537.84 = 69,222,542.52 : x
  2. Step 2: Convert to fraction form
    76,540,485.09/114,864,537.84 = 69,222,542.52/x
  3. Step 3: Cross multiply
    76,540,485.09x = 114,864,537.84 × 69,222,542.52
  4. Step 4: Simplify right side
    76,540,485.09x = 7,951,215,354,669,549
  5. Step 5: Solve for x
    x = 7,951,215,354,669,549/76,540,485.09
  6. Step 6: Final answer
    x = 103,882,479.26

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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.