Home / 76,383,963.61-114,574,823.56-18,876,233.23

Finding the Fourth Proportional to 76,383,963.61, 114,574,823.56 and 18,876,233.23

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Solution

The fourth proportional to 76,383,963.61, 114,574,823.56 and 18,876,233.23 is: 28,314,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,963.61 : 114,574,823.56 = 18,876,233.23 : x
  2. Step 2: Convert to fraction form
    76,383,963.61/114,574,823.56 = 18,876,233.23/x
  3. Step 3: Cross multiply
    76,383,963.61x = 114,574,823.56 × 18,876,233.23
  4. Step 4: Simplify right side
    76,383,963.61x = 2,162,741,091,804,659
  5. Step 5: Solve for x
    x = 2,162,741,091,804,659/76,383,963.61
  6. Step 6: Final answer
    x = 28,314,072.61

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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.