Home / 71,931,404.44-107,850,716.13-28,216,579.96

Finding the Fourth Proportional to 71,931,404.44, 107,850,716.13 and 28,216,579.96

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Solution

The fourth proportional to 71,931,404.44, 107,850,716.13 and 28,216,579.96 is: 42,306,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931,404.44 : 107,850,716.13 = 28,216,579.96 : x
  2. Step 2: Convert to fraction form
    71,931,404.44/107,850,716.13 = 28,216,579.96/x
  3. Step 3: Cross multiply
    71,931,404.44x = 107,850,716.13 × 28,216,579.96
  4. Step 4: Simplify right side
    71,931,404.44x = 3,043,178,355,284,324
  5. Step 5: Solve for x
    x = 3,043,178,355,284,324/71,931,404.44
  6. Step 6: Final answer
    x = 42,306,672.30

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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.