Home / 83,623,796.94-115,404,112.13-57,217,533.95

Finding the Fourth Proportional to 83,623,796.94, 115,404,112.13 and 57,217,533.95

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Solution

The fourth proportional to 83,623,796.94, 115,404,112.13 and 57,217,533.95 is: 78,962,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623,796.94 : 115,404,112.13 = 57,217,533.95 : x
  2. Step 2: Convert to fraction form
    83,623,796.94/115,404,112.13 = 57,217,533.95/x
  3. Step 3: Cross multiply
    83,623,796.94x = 115,404,112.13 × 57,217,533.95
  4. Step 4: Simplify right side
    83,623,796.94x = 6,603,138,702,904,774
  5. Step 5: Solve for x
    x = 6,603,138,702,904,774/83,623,796.94
  6. Step 6: Final answer
    x = 78,962,435.87

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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.