Home / 52,169,212.20-78,230,198.70-19,810,360.20

Finding the Fourth Proportional to 52,169,212.20, 78,230,198.70 and 19,810,360.20

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Solution

The fourth proportional to 52,169,212.20, 78,230,198.70 and 19,810,360.20 is: 29,706,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,169,212.20 : 78,230,198.70 = 19,810,360.20 : x
  2. Step 2: Convert to fraction form
    52,169,212.20/78,230,198.70 = 19,810,360.20/x
  3. Step 3: Cross multiply
    52,169,212.20x = 78,230,198.70 × 19,810,360.20
  4. Step 4: Simplify right side
    52,169,212.20x = 1,549,768,414,764,571.75
  5. Step 5: Solve for x
    x = 1,549,768,414,764,571.75/52,169,212.20
  6. Step 6: Final answer
    x = 29,706,571.16

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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.