Home / 43,109,999.80-64,664,999.70-19,175,471.80

Finding the Fourth Proportional to 43,109,999.80, 64,664,999.70 and 19,175,471.80

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Solution

The fourth proportional to 43,109,999.80, 64,664,999.70 and 19,175,471.80 is: 28,763,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109,999.80 : 64,664,999.70 = 19,175,471.80 : x
  2. Step 2: Convert to fraction form
    43,109,999.80/64,664,999.70 = 19,175,471.80/x
  3. Step 3: Cross multiply
    43,109,999.80x = 64,664,999.70 × 19,175,471.80
  4. Step 4: Simplify right side
    43,109,999.80x = 1,239,981,878,194,358.50
  5. Step 5: Solve for x
    x = 1,239,981,878,194,358.50/43,109,999.80
  6. Step 6: Final answer
    x = 28,763,207.70

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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.