Home / 71,709,236.20-107,615,669.19-28,553,568.58

Finding the Fourth Proportional to 71,709,236.20, 107,615,669.19 and 28,553,568.58

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Solution

The fourth proportional to 71,709,236.20, 107,615,669.19 and 28,553,568.58 is: 42,850,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,709,236.20 : 107,615,669.19 = 28,553,568.58 : x
  2. Step 2: Convert to fraction form
    71,709,236.20/107,615,669.19 = 28,553,568.58/x
  3. Step 3: Cross multiply
    71,709,236.20x = 107,615,669.19 × 28,553,568.58
  4. Step 4: Simplify right side
    71,709,236.20x = 3,072,811,390,499,258
  5. Step 5: Solve for x
    x = 3,072,811,390,499,258/71,709,236.20
  6. Step 6: Final answer
    x = 42,850,984.80

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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.