Home / 110,030,820.30-165,046,230.45-71,288,771.40

Finding the Fourth Proportional to 110,030,820.30, 165,046,230.45 and 71,288,771.40

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Solution

The fourth proportional to 110,030,820.30, 165,046,230.45 and 71,288,771.40 is: 106,933,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,030,820.30 : 165,046,230.45 = 71,288,771.40 : x
  2. Step 2: Convert to fraction form
    110,030,820.30/165,046,230.45 = 71,288,771.40/x
  3. Step 3: Cross multiply
    110,030,820.30x = 165,046,230.45 × 71,288,771.40
  4. Step 4: Simplify right side
    110,030,820.30x = 11,765,942,992,981,770
  5. Step 5: Solve for x
    x = 11,765,942,992,981,770/110,030,820.30
  6. Step 6: Final answer
    x = 106,933,157.10

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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.