Home / 63,578,105.66-87,732,399.06-38,469,566.67

Finding the Fourth Proportional to 63,578,105.66, 87,732,399.06 and 38,469,566.67

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Solution

The fourth proportional to 63,578,105.66, 87,732,399.06 and 38,469,566.67 is: 53,084,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578,105.66 : 87,732,399.06 = 38,469,566.67 : x
  2. Step 2: Convert to fraction form
    63,578,105.66/87,732,399.06 = 38,469,566.67/x
  3. Step 3: Cross multiply
    63,578,105.66x = 87,732,399.06 × 38,469,566.67
  4. Step 4: Simplify right side
    63,578,105.66x = 3,375,027,374,126,705.50
  5. Step 5: Solve for x
    x = 3,375,027,374,126,705.50/63,578,105.66
  6. Step 6: Final answer
    x = 53,084,742.61

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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.