Home / 196,101,292.80-294,151,939.20-66,854,841.60

Finding the Fourth Proportional to 196,101,292.80, 294,151,939.20 and 66,854,841.60

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Solution

The fourth proportional to 196,101,292.80, 294,151,939.20 and 66,854,841.60 is: 100,282,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101,292.80 : 294,151,939.20 = 66,854,841.60 : x
  2. Step 2: Convert to fraction form
    196,101,292.80/294,151,939.20 = 66,854,841.60/x
  3. Step 3: Cross multiply
    196,101,292.80x = 294,151,939.20 × 66,854,841.60
  4. Step 4: Simplify right side
    196,101,292.80x = 19,665,481,301,548,832
  5. Step 5: Solve for x
    x = 19,665,481,301,548,832/196,101,292.80
  6. Step 6: Final answer
    x = 100,282,262.40

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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.