Home / 81,476,078.52-112,434,745.26-44,806,649.40

Finding the Fourth Proportional to 81,476,078.52, 112,434,745.26 and 44,806,649.40

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Solution

The fourth proportional to 81,476,078.52, 112,434,745.26 and 44,806,649.40 is: 61,831,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476,078.52 : 112,434,745.26 = 44,806,649.40 : x
  2. Step 2: Convert to fraction form
    81,476,078.52/112,434,745.26 = 44,806,649.40/x
  3. Step 3: Cross multiply
    81,476,078.52x = 112,434,745.26 × 44,806,649.40
  4. Step 4: Simplify right side
    81,476,078.52x = 5,037,824,211,243,132
  5. Step 5: Solve for x
    x = 5,037,824,211,243,132/81,476,078.52
  6. Step 6: Final answer
    x = 61,831,942.61

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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.