Home / 55,305,946.45-82,962,905.48-21,227,292.33

Finding the Fourth Proportional to 55,305,946.45, 82,962,905.48 and 21,227,292.33

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Solution

The fourth proportional to 55,305,946.45, 82,962,905.48 and 21,227,292.33 is: 31,842,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305,946.45 : 82,962,905.48 = 21,227,292.33 : x
  2. Step 2: Convert to fraction form
    55,305,946.45/82,962,905.48 = 21,227,292.33/x
  3. Step 3: Cross multiply
    55,305,946.45x = 82,962,905.48 × 21,227,292.33
  4. Step 4: Simplify right side
    55,305,946.45x = 1,761,077,847,170,119
  5. Step 5: Solve for x
    x = 1,761,077,847,170,119/55,305,946.45
  6. Step 6: Final answer
    x = 31,842,468.31

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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.