Home / 110,421,619.20-165,632,428.80-73,592,757.90

Finding the Fourth Proportional to 110,421,619.20, 165,632,428.80 and 73,592,757.90

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Solution

The fourth proportional to 110,421,619.20, 165,632,428.80 and 73,592,757.90 is: 110,389,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421,619.20 : 165,632,428.80 = 73,592,757.90 : x
  2. Step 2: Convert to fraction form
    110,421,619.20/165,632,428.80 = 73,592,757.90/x
  3. Step 3: Cross multiply
    110,421,619.20x = 165,632,428.80 × 73,592,757.90
  4. Step 4: Simplify right side
    110,421,619.20x = 12,189,347,233,067,390
  5. Step 5: Solve for x
    x = 12,189,347,233,067,390/110,421,619.20
  6. Step 6: Final answer
    x = 110,389,136.85

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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.