Home / 68,196,156.60-102,301,077.78-19,675,212.60

Finding the Fourth Proportional to 68,196,156.60, 102,301,077.78 and 19,675,212.60

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Solution

The fourth proportional to 68,196,156.60, 102,301,077.78 and 19,675,212.60 is: 29,514,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,196,156.60 : 102,301,077.78 = 19,675,212.60 : x
  2. Step 2: Convert to fraction form
    68,196,156.60/102,301,077.78 = 19,675,212.60/x
  3. Step 3: Cross multiply
    68,196,156.60x = 102,301,077.78 × 19,675,212.60
  4. Step 4: Simplify right side
    68,196,156.60x = 2,012,795,454,530,636.25
  5. Step 5: Solve for x
    x = 2,012,795,454,530,636.25/68,196,156.60
  6. Step 6: Final answer
    x = 29,514,793.13

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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.