Home / 88,584,042.40-132,876,063.60-80,080,986.40

Finding the Fourth Proportional to 88,584,042.40, 132,876,063.60 and 80,080,986.40

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Solution

The fourth proportional to 88,584,042.40, 132,876,063.60 and 80,080,986.40 is: 120,121,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,584,042.40 : 132,876,063.60 = 80,080,986.40 : x
  2. Step 2: Convert to fraction form
    88,584,042.40/132,876,063.60 = 80,080,986.40/x
  3. Step 3: Cross multiply
    88,584,042.40x = 132,876,063.60 × 80,080,986.40
  4. Step 4: Simplify right side
    88,584,042.40x = 10,640,846,242,037,136
  5. Step 5: Solve for x
    x = 10,640,846,242,037,136/88,584,042.40
  6. Step 6: Final answer
    x = 120,121,479.60

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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.