Home / 76,790,816.85-115,215,235.17-46,106,791.32

Finding the Fourth Proportional to 76,790,816.85, 115,215,235.17 and 46,106,791.32

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Solution

The fourth proportional to 76,790,816.85, 115,215,235.17 and 46,106,791.32 is: 69,177,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,790,816.85 : 115,215,235.17 = 46,106,791.32 : x
  2. Step 2: Convert to fraction form
    76,790,816.85/115,215,235.17 = 46,106,791.32/x
  3. Step 3: Cross multiply
    76,790,816.85x = 115,215,235.17 × 46,106,791.32
  4. Step 4: Simplify right side
    76,790,816.85x = 5,312,204,804,867,915
  5. Step 5: Solve for x
    x = 5,312,204,804,867,915/76,790,816.85
  6. Step 6: Final answer
    x = 69,177,605.12

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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.