Home / 76,115,988-105,040,118.16-41,308,669.44

Finding the Fourth Proportional to 76,115,988, 105,040,118.16 and 41,308,669.44

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Solution

The fourth proportional to 76,115,988, 105,040,118.16 and 41,308,669.44 is: 57,005,993.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,115,988 : 105,040,118.16 = 41,308,669.44 : x
  2. Step 2: Convert to fraction form
    76,115,988/105,040,118.16 = 41,308,669.44/x
  3. Step 3: Cross multiply
    76,115,988x = 105,040,118.16 × 41,308,669.44
  4. Step 4: Simplify right side
    76,115,988x = 4,339,067,519,009,980.50
  5. Step 5: Solve for x
    x = 4,339,067,519,009,980.50/76,115,988
  6. Step 6: Final answer
    x = 57,005,993.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.