Home / 217,836,028.60-326,754,042.90-201,207,830.20

Finding the Fourth Proportional to 217,836,028.60, 326,754,042.90 and 201,207,830.20

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Solution

The fourth proportional to 217,836,028.60, 326,754,042.90 and 201,207,830.20 is: 301,811,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836,028.60 : 326,754,042.90 = 201,207,830.20 : x
  2. Step 2: Convert to fraction form
    217,836,028.60/326,754,042.90 = 201,207,830.20/x
  3. Step 3: Cross multiply
    217,836,028.60x = 326,754,042.90 × 201,207,830.20
  4. Step 4: Simplify right side
    217,836,028.60x = 65,745,471,980,986,704
  5. Step 5: Solve for x
    x = 65,745,471,980,986,704/217,836,028.60
  6. Step 6: Final answer
    x = 301,811,745.30

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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.