Home / 74,904,065.20-112,188,136.20-61,467,137.20

Finding the Fourth Proportional to 74,904,065.20, 112,188,136.20 and 61,467,137.20

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Solution

The fourth proportional to 74,904,065.20, 112,188,136.20 and 61,467,137.20 is: 92,062,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904,065.20 : 112,188,136.20 = 61,467,137.20 : x
  2. Step 2: Convert to fraction form
    74,904,065.20/112,188,136.20 = 61,467,137.20/x
  3. Step 3: Cross multiply
    74,904,065.20x = 112,188,136.20 × 61,467,137.20
  4. Step 4: Simplify right side
    74,904,065.20x = 6,895,883,560,017,687
  5. Step 5: Solve for x
    x = 6,895,883,560,017,687/74,904,065.20
  6. Step 6: Final answer
    x = 92,062,874.58

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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.