Home / 55,012,111.94-82,520,908.95-20,936,098.82

Finding the Fourth Proportional to 55,012,111.94, 82,520,908.95 and 20,936,098.82

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Solution

The fourth proportional to 55,012,111.94, 82,520,908.95 and 20,936,098.82 is: 31,405,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,111.94 : 82,520,908.95 = 20,936,098.82 : x
  2. Step 2: Convert to fraction form
    55,012,111.94/82,520,908.95 = 20,936,098.82/x
  3. Step 3: Cross multiply
    55,012,111.94x = 82,520,908.95 × 20,936,098.82
  4. Step 4: Simplify right side
    55,012,111.94x = 1,727,665,904,493,422.50
  5. Step 5: Solve for x
    x = 1,727,665,904,493,422.50/55,012,111.94
  6. Step 6: Final answer
    x = 31,405,191.39

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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.