Home / 201,676,876.20-302,515,314.30-197,197,900.20

Finding the Fourth Proportional to 201,676,876.20, 302,515,314.30 and 197,197,900.20

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Solution

The fourth proportional to 201,676,876.20, 302,515,314.30 and 197,197,900.20 is: 295,796,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,876.20 : 302,515,314.30 = 197,197,900.20 : x
  2. Step 2: Convert to fraction form
    201,676,876.20/302,515,314.30 = 197,197,900.20/x
  3. Step 3: Cross multiply
    201,676,876.20x = 302,515,314.30 × 197,197,900.20
  4. Step 4: Simplify right side
    201,676,876.20x = 59,655,384,758,303,032
  5. Step 5: Solve for x
    x = 59,655,384,758,303,032/201,676,876.20
  6. Step 6: Final answer
    x = 295,796,850.30

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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.