Home / 81,120,783,436.98-121,595,293,846.02-27,286,670,185.62

Finding the Fourth Proportional to 81,120,783,436.98, 121,595,293,846.02 and 27,286,670,185.62

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Solution

The fourth proportional to 81,120,783,436.98, 121,595,293,846.02 and 27,286,670,185.62 is: 40,901,117,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,120,783,436.98 : 121,595,293,846.02 = 27,286,670,185.62 : x
  2. Step 2: Convert to fraction form
    81,120,783,436.98/121,595,293,846.02 = 27,286,670,185.62/x
  3. Step 3: Cross multiply
    81,120,783,436.98x = 121,595,293,846.02 × 27,286,670,185.62
  4. Step 4: Simplify right side
    81,120,783,436.98x = 3,317,930,679,299,897,032,704
  5. Step 5: Solve for x
    x = 3,317,930,679,299,897,032,704/81,120,783,436.98
  6. Step 6: Final answer
    x = 40,901,117,305.87

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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.