Home / 75,503,688.03-113,237,128.17-20,914,855.83

Finding the Fourth Proportional to 75,503,688.03, 113,237,128.17 and 20,914,855.83

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Solution

The fourth proportional to 75,503,688.03, 113,237,128.17 and 20,914,855.83 is: 31,367,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503,688.03 : 113,237,128.17 = 20,914,855.83 : x
  2. Step 2: Convert to fraction form
    75,503,688.03/113,237,128.17 = 20,914,855.83/x
  3. Step 3: Cross multiply
    75,503,688.03x = 113,237,128.17 × 20,914,855.83
  4. Step 4: Simplify right side
    75,503,688.03x = 2,368,338,210,278,781.50
  5. Step 5: Solve for x
    x = 2,368,338,210,278,781.50/75,503,688.03
  6. Step 6: Final answer
    x = 31,367,185.79

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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.