Home / 81,580,290.03-122,491,040.81-54,455,580.27

Finding the Fourth Proportional to 81,580,290.03, 122,491,040.81 and 54,455,580.27

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Solution

The fourth proportional to 81,580,290.03, 122,491,040.81 and 54,455,580.27 is: 81,763,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,580,290.03 : 122,491,040.81 = 54,455,580.27 : x
  2. Step 2: Convert to fraction form
    81,580,290.03/122,491,040.81 = 54,455,580.27/x
  3. Step 3: Cross multiply
    81,580,290.03x = 122,491,040.81 × 54,455,580.27
  4. Step 4: Simplify right side
    81,580,290.03x = 6,670,320,704,912,524
  5. Step 5: Solve for x
    x = 6,670,320,704,912,524/81,580,290.03
  6. Step 6: Final answer
    x = 81,763,875.84

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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.