Home / 65,856,543.20-90,881,958.62-36,087,917.13

Finding the Fourth Proportional to 65,856,543.20, 90,881,958.62 and 36,087,917.13

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Solution

The fourth proportional to 65,856,543.20, 90,881,958.62 and 36,087,917.13 is: 49,801,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,543.20 : 90,881,958.62 = 36,087,917.13 : x
  2. Step 2: Convert to fraction form
    65,856,543.20/90,881,958.62 = 36,087,917.13/x
  3. Step 3: Cross multiply
    65,856,543.20x = 90,881,958.62 × 36,087,917.13
  4. Step 4: Simplify right side
    65,856,543.20x = 3,279,740,590,836,239.50
  5. Step 5: Solve for x
    x = 3,279,740,590,836,239.50/65,856,543.20
  6. Step 6: Final answer
    x = 49,801,286.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.