Home / 88,037,079.40-132,079,238.70-78,518,380.60

Finding the Fourth Proportional to 88,037,079.40, 132,079,238.70 and 78,518,380.60

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Solution

The fourth proportional to 88,037,079.40, 132,079,238.70 and 78,518,380.60 is: 117,798,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037,079.40 : 132,079,238.70 = 78,518,380.60 : x
  2. Step 2: Convert to fraction form
    88,037,079.40/132,079,238.70 = 78,518,380.60/x
  3. Step 3: Cross multiply
    88,037,079.40x = 132,079,238.70 × 78,518,380.60
  4. Step 4: Simplify right side
    88,037,079.40x = 10,370,647,933,604,848
  5. Step 5: Solve for x
    x = 10,370,647,933,604,848/88,037,079.40
  6. Step 6: Final answer
    x = 117,798,636.71

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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.