Home / 196,661,378.70-294,992,068.05-136,145,436.30

Finding the Fourth Proportional to 196,661,378.70, 294,992,068.05 and 136,145,436.30

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Solution

The fourth proportional to 196,661,378.70, 294,992,068.05 and 136,145,436.30 is: 204,218,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,661,378.70 : 294,992,068.05 = 136,145,436.30 : x
  2. Step 2: Convert to fraction form
    196,661,378.70/294,992,068.05 = 136,145,436.30/x
  3. Step 3: Cross multiply
    196,661,378.70x = 294,992,068.05 × 136,145,436.30
  4. Step 4: Simplify right side
    196,661,378.70x = 40,161,823,809,706,544
  5. Step 5: Solve for x
    x = 40,161,823,809,706,544/196,661,378.70
  6. Step 6: Final answer
    x = 204,218,154.45

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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.