Home / 88,131,311.40-132,112,986.30-68,689,756.20

Finding the Fourth Proportional to 88,131,311.40, 132,112,986.30 and 68,689,756.20

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Solution

The fourth proportional to 88,131,311.40, 132,112,986.30 and 68,689,756.20 is: 102,969,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131,311.40 : 132,112,986.30 = 68,689,756.20 : x
  2. Step 2: Convert to fraction form
    88,131,311.40/132,112,986.30 = 68,689,756.20/x
  3. Step 3: Cross multiply
    88,131,311.40x = 132,112,986.30 × 68,689,756.20
  4. Step 4: Simplify right side
    88,131,311.40x = 9,074,808,819,800,940
  5. Step 5: Solve for x
    x = 9,074,808,819,800,940/88,131,311.40
  6. Step 6: Final answer
    x = 102,969,179.46

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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.