Home / 43,109,998.80-64,664,998.20-19,175,470.80

Finding the Fourth Proportional to 43,109,998.80, 64,664,998.20 and 19,175,470.80

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Solution

The fourth proportional to 43,109,998.80, 64,664,998.20 and 19,175,470.80 is: 28,763,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109,998.80 : 64,664,998.20 = 19,175,470.80 : x
  2. Step 2: Convert to fraction form
    43,109,998.80/64,664,998.20 = 19,175,470.80/x
  3. Step 3: Cross multiply
    43,109,998.80x = 64,664,998.20 × 19,175,470.80
  4. Step 4: Simplify right side
    43,109,998.80x = 1,239,981,784,766,152.75
  5. Step 5: Solve for x
    x = 1,239,981,784,766,152.75/43,109,998.80
  6. Step 6: Final answer
    x = 28,763,206.20

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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.