Home / 103,682,471.58-155,523,658.14-30,897,394.79

Finding the Fourth Proportional to 103,682,471.58, 155,523,658.14 and 30,897,394.79

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Solution

The fourth proportional to 103,682,471.58, 155,523,658.14 and 30,897,394.79 is: 46,346,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682,471.58 : 155,523,658.14 = 30,897,394.79 : x
  2. Step 2: Convert to fraction form
    103,682,471.58/155,523,658.14 = 30,897,394.79/x
  3. Step 3: Cross multiply
    103,682,471.58x = 155,523,658.14 × 30,897,394.79
  4. Step 4: Simplify right side
    103,682,471.58x = 4,805,275,863,958,958
  5. Step 5: Solve for x
    x = 4,805,275,863,958,958/103,682,471.58
  6. Step 6: Final answer
    x = 46,346,077.51

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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.