Home / 71,857,065.28-107,866,170.24-28,756,310.80

Finding the Fourth Proportional to 71,857,065.28, 107,866,170.24 and 28,756,310.80

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Solution

The fourth proportional to 71,857,065.28, 107,866,170.24 and 28,756,310.80 is: 43,166,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,857,065.28 : 107,866,170.24 = 28,756,310.80 : x
  2. Step 2: Convert to fraction form
    71,857,065.28/107,866,170.24 = 28,756,310.80/x
  3. Step 3: Cross multiply
    71,857,065.28x = 107,866,170.24 × 28,756,310.80
  4. Step 4: Simplify right side
    71,857,065.28x = 3,101,833,116,227,150.50
  5. Step 5: Solve for x
    x = 3,101,833,116,227,150.50/71,857,065.28
  6. Step 6: Final answer
    x = 43,166,710.25

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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.