Home / 144,581,540.80-217,040,272.80-87,138,673.60

Finding the Fourth Proportional to 144,581,540.80, 217,040,272.80 and 87,138,673.60

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Solution

The fourth proportional to 144,581,540.80, 217,040,272.80 and 87,138,673.60 is: 130,809,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581,540.80 : 217,040,272.80 = 87,138,673.60 : x
  2. Step 2: Convert to fraction form
    144,581,540.80/217,040,272.80 = 87,138,673.60/x
  3. Step 3: Cross multiply
    144,581,540.80x = 217,040,272.80 × 87,138,673.60
  4. Step 4: Simplify right side
    144,581,540.80x = 18,912,601,489,574,156
  5. Step 5: Solve for x
    x = 18,912,601,489,574,156/144,581,540.80
  6. Step 6: Final answer
    x = 130,809,240.13

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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.