Home / 55,124,983.80-82,699,932.84-18,236,787.20

Finding the Fourth Proportional to 55,124,983.80, 82,699,932.84 and 18,236,787.20

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Solution

The fourth proportional to 55,124,983.80, 82,699,932.84 and 18,236,787.20 is: 27,359,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124,983.80 : 82,699,932.84 = 18,236,787.20 : x
  2. Step 2: Convert to fraction form
    55,124,983.80/82,699,932.84 = 18,236,787.20/x
  3. Step 3: Cross multiply
    55,124,983.80x = 82,699,932.84 × 18,236,787.20
  4. Step 4: Simplify right side
    55,124,983.80x = 1,508,181,076,243,872
  5. Step 5: Solve for x
    x = 1,508,181,076,243,872/55,124,983.80
  6. Step 6: Final answer
    x = 27,359,301.94

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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.