Home / 80,198,752.50-120,300,490.71-19,614,478.50

Finding the Fourth Proportional to 80,198,752.50, 120,300,490.71 and 19,614,478.50

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Solution

The fourth proportional to 80,198,752.50, 120,300,490.71 and 19,614,478.50 is: 29,422,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,752.50 : 120,300,490.71 = 19,614,478.50 : x
  2. Step 2: Convert to fraction form
    80,198,752.50/120,300,490.71 = 19,614,478.50/x
  3. Step 3: Cross multiply
    80,198,752.50x = 120,300,490.71 × 19,614,478.50
  4. Step 4: Simplify right side
    80,198,752.50x = 2,359,631,388,570,744.50
  5. Step 5: Solve for x
    x = 2,359,631,388,570,744.50/80,198,752.50
  6. Step 6: Final answer
    x = 29,422,295.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.