Home / 131,052,872.40-196,862,743.80-92,789,120.40

Finding the Fourth Proportional to 131,052,872.40, 196,862,743.80 and 92,789,120.40

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Solution

The fourth proportional to 131,052,872.40, 196,862,743.80 and 92,789,120.40 is: 139,384,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,052,872.40 : 196,862,743.80 = 92,789,120.40 : x
  2. Step 2: Convert to fraction form
    131,052,872.40/196,862,743.80 = 92,789,120.40/x
  3. Step 3: Cross multiply
    131,052,872.40x = 196,862,743.80 × 92,789,120.40
  4. Step 4: Simplify right side
    131,052,872.40x = 18,266,720,836,732,556
  5. Step 5: Solve for x
    x = 18,266,720,836,732,556/131,052,872.40
  6. Step 6: Final answer
    x = 139,384,360.70

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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.