Home / 71,216,865.70-106,810,350-20,086,927.12

Finding the Fourth Proportional to 71,216,865.70, 106,810,350 and 20,086,927.12

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Solution

The fourth proportional to 71,216,865.70, 106,810,350 and 20,086,927.12 is: 30,126,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216,865.70 : 106,810,350 = 20,086,927.12 : x
  2. Step 2: Convert to fraction form
    71,216,865.70/106,810,350 = 20,086,927.12/x
  3. Step 3: Cross multiply
    71,216,865.70x = 106,810,350 × 20,086,927.12
  4. Step 4: Simplify right side
    71,216,865.70x = 2,145,491,716,111,692
  5. Step 5: Solve for x
    x = 2,145,491,716,111,692/71,216,865.70
  6. Step 6: Final answer
    x = 30,126,174.40

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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.