Home / 107,815,007.60-161,612,286.60-53,143,506.80

Finding the Fourth Proportional to 107,815,007.60, 161,612,286.60 and 53,143,506.80

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Solution

The fourth proportional to 107,815,007.60, 161,612,286.60 and 53,143,506.80 is: 79,660,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815,007.60 : 161,612,286.60 = 53,143,506.80 : x
  2. Step 2: Convert to fraction form
    107,815,007.60/161,612,286.60 = 53,143,506.80/x
  3. Step 3: Cross multiply
    107,815,007.60x = 161,612,286.60 × 53,143,506.80
  4. Step 4: Simplify right side
    107,815,007.60x = 8,588,643,651,890,648
  5. Step 5: Solve for x
    x = 8,588,643,651,890,648/107,815,007.60
  6. Step 6: Final answer
    x = 79,660,928.87

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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.