Home / 88,085,710.80-132,128,566.20-39,586,798.80

Finding the Fourth Proportional to 88,085,710.80, 132,128,566.20 and 39,586,798.80

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Solution

The fourth proportional to 88,085,710.80, 132,128,566.20 and 39,586,798.80 is: 59,380,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085,710.80 : 132,128,566.20 = 39,586,798.80 : x
  2. Step 2: Convert to fraction form
    88,085,710.80/132,128,566.20 = 39,586,798.80/x
  3. Step 3: Cross multiply
    88,085,710.80x = 132,128,566.20 × 39,586,798.80
  4. Step 4: Simplify right side
    88,085,710.80x = 5,230,546,965,891,880
  5. Step 5: Solve for x
    x = 5,230,546,965,891,880/88,085,710.80
  6. Step 6: Final answer
    x = 59,380,198.20

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Double scale
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Similar ratio
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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.