Home / 193,843,105-290,767,190.15-64,450,715.12

Finding the Fourth Proportional to 193,843,105, 290,767,190.15 and 64,450,715.12

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Solution

The fourth proportional to 193,843,105, 290,767,190.15 and 64,450,715.12 is: 96,676,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,843,105 : 290,767,190.15 = 64,450,715.12 : x
  2. Step 2: Convert to fraction form
    193,843,105/290,767,190.15 = 64,450,715.12/x
  3. Step 3: Cross multiply
    193,843,105x = 290,767,190.15 × 64,450,715.12
  4. Step 4: Simplify right side
    193,843,105x = 18,740,153,338,439,392
  5. Step 5: Solve for x
    x = 18,740,153,338,439,392/193,843,105
  6. Step 6: Final answer
    x = 96,676,914.76

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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.