Home / 123,211,492.24-170,033,872.80-67,455,982.48

Finding the Fourth Proportional to 123,211,492.24, 170,033,872.80 and 67,455,982.48

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Solution

The fourth proportional to 123,211,492.24, 170,033,872.80 and 67,455,982.48 is: 93,090,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,211,492.24 : 170,033,872.80 = 67,455,982.48 : x
  2. Step 2: Convert to fraction form
    123,211,492.24/170,033,872.80 = 67,455,982.48/x
  3. Step 3: Cross multiply
    123,211,492.24x = 170,033,872.80 × 67,455,982.48
  4. Step 4: Simplify right side
    123,211,492.24x = 11,469,801,944,603,350
  5. Step 5: Solve for x
    x = 11,469,801,944,603,350/123,211,492.24
  6. Step 6: Final answer
    x = 93,090,358.18

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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.