Home / 88,576,326.40-132,864,489.60-80,640,140.80

Finding the Fourth Proportional to 88,576,326.40, 132,864,489.60 and 80,640,140.80

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Solution

The fourth proportional to 88,576,326.40, 132,864,489.60 and 80,640,140.80 is: 120,960,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,576,326.40 : 132,864,489.60 = 80,640,140.80 : x
  2. Step 2: Convert to fraction form
    88,576,326.40/132,864,489.60 = 80,640,140.80/x
  3. Step 3: Cross multiply
    88,576,326.40x = 132,864,489.60 × 80,640,140.80
  4. Step 4: Simplify right side
    88,576,326.40x = 10,714,211,148,664,134
  5. Step 5: Solve for x
    x = 10,714,211,148,664,134/88,576,326.40
  6. Step 6: Final answer
    x = 120,960,211.20

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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.