Home / 53,901,936.80-80,856,404.40-28,392,768.80

Finding the Fourth Proportional to 53,901,936.80, 80,856,404.40 and 28,392,768.80

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Solution

The fourth proportional to 53,901,936.80, 80,856,404.40 and 28,392,768.80 is: 42,590,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,936.80 : 80,856,404.40 = 28,392,768.80 : x
  2. Step 2: Convert to fraction form
    53,901,936.80/80,856,404.40 = 28,392,768.80/x
  3. Step 3: Cross multiply
    53,901,936.80x = 80,856,404.40 × 28,392,768.80
  4. Step 4: Simplify right side
    53,901,936.80x = 2,295,737,196,128,503
  5. Step 5: Solve for x
    x = 2,295,737,196,128,503/53,901,936.80
  6. Step 6: Final answer
    x = 42,590,996.40

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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.