Home / 72,263,972.80-108,360,092.40-26,204,003.20

Finding the Fourth Proportional to 72,263,972.80, 108,360,092.40 and 26,204,003.20

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Solution

The fourth proportional to 72,263,972.80, 108,360,092.40 and 26,204,003.20 is: 39,292,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,972.80 : 108,360,092.40 = 26,204,003.20 : x
  2. Step 2: Convert to fraction form
    72,263,972.80/108,360,092.40 = 26,204,003.20/x
  3. Step 3: Cross multiply
    72,263,972.80x = 108,360,092.40 × 26,204,003.20
  4. Step 4: Simplify right side
    72,263,972.80x = 2,839,468,208,001,896
  5. Step 5: Solve for x
    x = 2,839,468,208,001,896/72,263,972.80
  6. Step 6: Final answer
    x = 39,292,998.96

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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.