Home / 74,682,664.22-111,960,098.57-28,657,560.87

Finding the Fourth Proportional to 74,682,664.22, 111,960,098.57 and 28,657,560.87

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Solution

The fourth proportional to 74,682,664.22, 111,960,098.57 and 28,657,560.87 is: 42,961,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,664.22 : 111,960,098.57 = 28,657,560.87 : x
  2. Step 2: Convert to fraction form
    74,682,664.22/111,960,098.57 = 28,657,560.87/x
  3. Step 3: Cross multiply
    74,682,664.22x = 111,960,098.57 × 28,657,560.87
  4. Step 4: Simplify right side
    74,682,664.22x = 3,208,503,339,852,619
  5. Step 5: Solve for x
    x = 3,208,503,339,852,619/74,682,664.22
  6. Step 6: Final answer
    x = 42,961,822.17

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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.