Home / 55,226,984.50-82,852,434.78-21,148,331.59

Finding the Fourth Proportional to 55,226,984.50, 82,852,434.78 and 21,148,331.59

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Solution

The fourth proportional to 55,226,984.50, 82,852,434.78 and 21,148,331.59 is: 31,727,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226,984.50 : 82,852,434.78 = 21,148,331.59 : x
  2. Step 2: Convert to fraction form
    55,226,984.50/82,852,434.78 = 21,148,331.59/x
  3. Step 3: Cross multiply
    55,226,984.50x = 82,852,434.78 × 21,148,331.59
  4. Step 4: Simplify right side
    55,226,984.50x = 1,752,190,763,766,288.75
  5. Step 5: Solve for x
    x = 1,752,190,763,766,288.75/55,226,984.50
  6. Step 6: Final answer
    x = 31,727,076.53

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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.