Home / 73,196,642.72-109,795,220.73-18,609,234.10

Finding the Fourth Proportional to 73,196,642.72, 109,795,220.73 and 18,609,234.10

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Solution

The fourth proportional to 73,196,642.72, 109,795,220.73 and 18,609,234.10 is: 27,913,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,196,642.72 : 109,795,220.73 = 18,609,234.10 : x
  2. Step 2: Convert to fraction form
    73,196,642.72/109,795,220.73 = 18,609,234.10/x
  3. Step 3: Cross multiply
    73,196,642.72x = 109,795,220.73 × 18,609,234.10
  4. Step 4: Simplify right side
    73,196,642.72x = 2,043,204,965,625,743.25
  5. Step 5: Solve for x
    x = 2,043,204,965,625,743.25/73,196,642.72
  6. Step 6: Final answer
    x = 27,913,916.40

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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.