Home / 80,507,195.20-120,761,842.56-23,001,342.40

Finding the Fourth Proportional to 80,507,195.20, 120,761,842.56 and 23,001,342.40

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Solution

The fourth proportional to 80,507,195.20, 120,761,842.56 and 23,001,342.40 is: 34,502,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,507,195.20 : 120,761,842.56 = 23,001,342.40 : x
  2. Step 2: Convert to fraction form
    80,507,195.20/120,761,842.56 = 23,001,342.40/x
  3. Step 3: Cross multiply
    80,507,195.20x = 120,761,842.56 × 23,001,342.40
  4. Step 4: Simplify right side
    80,507,195.20x = 2,777,684,489,577,452.50
  5. Step 5: Solve for x
    x = 2,777,684,489,577,452.50/80,507,195.20
  6. Step 6: Final answer
    x = 34,502,313.52

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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.