Home / 81,411,801.87-112,349,382.03-44,242,819.95

Finding the Fourth Proportional to 81,411,801.87, 112,349,382.03 and 44,242,819.95

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Solution

The fourth proportional to 81,411,801.87, 112,349,382.03 and 44,242,819.95 is: 61,055,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,411,801.87 : 112,349,382.03 = 44,242,819.95 : x
  2. Step 2: Convert to fraction form
    81,411,801.87/112,349,382.03 = 44,242,819.95/x
  3. Step 3: Cross multiply
    81,411,801.87x = 112,349,382.03 × 44,242,819.95
  4. Step 4: Simplify right side
    81,411,801.87x = 4,970,653,480,647,056
  5. Step 5: Solve for x
    x = 4,970,653,480,647,056/81,411,801.87
  6. Step 6: Final answer
    x = 61,055,686.85

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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.