Home / 90,752,877.10-135,966,930.90-55,195,537.60

Finding the Fourth Proportional to 90,752,877.10, 135,966,930.90 and 55,195,537.60

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Solution

The fourth proportional to 90,752,877.10, 135,966,930.90 and 55,195,537.60 is: 82,694,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752,877.10 : 135,966,930.90 = 55,195,537.60 : x
  2. Step 2: Convert to fraction form
    90,752,877.10/135,966,930.90 = 55,195,537.60/x
  3. Step 3: Cross multiply
    90,752,877.10x = 135,966,930.90 × 55,195,537.60
  4. Step 4: Simplify right side
    90,752,877.10x = 7,504,767,846,847,552
  5. Step 5: Solve for x
    x = 7,504,767,846,847,552/90,752,877.10
  6. Step 6: Final answer
    x = 82,694,544.64

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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.