Home / 196,101,029.80-294,151,544.70-66,854,578.60

Finding the Fourth Proportional to 196,101,029.80, 294,151,544.70 and 66,854,578.60

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Solution

The fourth proportional to 196,101,029.80, 294,151,544.70 and 66,854,578.60 is: 100,281,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101,029.80 : 294,151,544.70 = 66,854,578.60 : x
  2. Step 2: Convert to fraction form
    196,101,029.80/294,151,544.70 = 66,854,578.60/x
  3. Step 3: Cross multiply
    196,101,029.80x = 294,151,544.70 × 66,854,578.60
  4. Step 4: Simplify right side
    196,101,029.80x = 19,665,377,565,457,564
  5. Step 5: Solve for x
    x = 19,665,377,565,457,564/196,101,029.80
  6. Step 6: Final answer
    x = 100,281,867.90

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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.