Home / 307,748,067.40-461,622,101.10-193,086,281.80

Finding the Fourth Proportional to 307,748,067.40, 461,622,101.10 and 193,086,281.80

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Solution

The fourth proportional to 307,748,067.40, 461,622,101.10 and 193,086,281.80 is: 289,629,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,748,067.40 : 461,622,101.10 = 193,086,281.80 : x
  2. Step 2: Convert to fraction form
    307,748,067.40/461,622,101.10 = 193,086,281.80/x
  3. Step 3: Cross multiply
    307,748,067.40x = 461,622,101.10 × 193,086,281.80
  4. Step 4: Simplify right side
    307,748,067.40x = 89,132,895,098,102,704
  5. Step 5: Solve for x
    x = 89,132,895,098,102,704/307,748,067.40
  6. Step 6: Final answer
    x = 289,629,422.70

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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.