Home / 307,219,372.40-461,359,900.20-163,892,140.40

Finding the Fourth Proportional to 307,219,372.40, 461,359,900.20 and 163,892,140.40

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Solution

The fourth proportional to 307,219,372.40, 461,359,900.20 and 163,892,140.40 is: 246,121,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,219,372.40 : 461,359,900.20 = 163,892,140.40 : x
  2. Step 2: Convert to fraction form
    307,219,372.40/461,359,900.20 = 163,892,140.40/x
  3. Step 3: Cross multiply
    307,219,372.40x = 461,359,900.20 × 163,892,140.40
  4. Step 4: Simplify right side
    307,219,372.40x = 75,613,261,538,508,384
  5. Step 5: Solve for x
    x = 75,613,261,538,508,384/307,219,372.40
  6. Step 6: Final answer
    x = 246,121,398.36

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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.