Home / 196,587,021.60-294,880,532.40-131,921,805.60

Finding the Fourth Proportional to 196,587,021.60, 294,880,532.40 and 131,921,805.60

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Solution

The fourth proportional to 196,587,021.60, 294,880,532.40 and 131,921,805.60 is: 197,882,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,587,021.60 : 294,880,532.40 = 131,921,805.60 : x
  2. Step 2: Convert to fraction form
    196,587,021.60/294,880,532.40 = 131,921,805.60/x
  3. Step 3: Cross multiply
    196,587,021.60x = 294,880,532.40 × 131,921,805.60
  4. Step 4: Simplify right side
    196,587,021.60x = 38,901,172,270,497,296
  5. Step 5: Solve for x
    x = 38,901,172,270,497,296/196,587,021.60
  6. Step 6: Final answer
    x = 197,882,708.40

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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.