Home / 56,168,193.21-77,512,211.66-31,388,380.09

Finding the Fourth Proportional to 56,168,193.21, 77,512,211.66 and 31,388,380.09

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Solution

The fourth proportional to 56,168,193.21, 77,512,211.66 and 31,388,380.09 is: 43,316,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,193.21 : 77,512,211.66 = 31,388,380.09 : x
  2. Step 2: Convert to fraction form
    56,168,193.21/77,512,211.66 = 31,388,380.09/x
  3. Step 3: Cross multiply
    56,168,193.21x = 77,512,211.66 × 31,388,380.09
  4. Step 4: Simplify right side
    56,168,193.21x = 2,432,982,761,200,609.50
  5. Step 5: Solve for x
    x = 2,432,982,761,200,609.50/56,168,193.21
  6. Step 6: Final answer
    x = 43,316,023.22

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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.