Home / 123,211,492.18-170,033,872.73-67,455,982.42

Finding the Fourth Proportional to 123,211,492.18, 170,033,872.73 and 67,455,982.42

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Solution

The fourth proportional to 123,211,492.18, 170,033,872.73 and 67,455,982.42 is: 93,090,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,211,492.18 : 170,033,872.73 = 67,455,982.42 : x
  2. Step 2: Convert to fraction form
    123,211,492.18/170,033,872.73 = 67,455,982.42/x
  3. Step 3: Cross multiply
    123,211,492.18x = 170,033,872.73 × 67,455,982.42
  4. Step 4: Simplify right side
    123,211,492.18x = 11,469,801,928,917,034
  5. Step 5: Solve for x
    x = 11,469,801,928,917,034/123,211,492.18
  6. Step 6: Final answer
    x = 93,090,358.10

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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.