Home / 81,648,010.80-122,472,016.20-24,140,845.80

Finding the Fourth Proportional to 81,648,010.80, 122,472,016.20 and 24,140,845.80

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Solution

The fourth proportional to 81,648,010.80, 122,472,016.20 and 24,140,845.80 is: 36,211,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,010.80 : 122,472,016.20 = 24,140,845.80 : x
  2. Step 2: Convert to fraction form
    81,648,010.80/122,472,016.20 = 24,140,845.80/x
  3. Step 3: Cross multiply
    81,648,010.80x = 122,472,016.20 × 24,140,845.80
  4. Step 4: Simplify right side
    81,648,010.80x = 2,956,578,057,899,302
  5. Step 5: Solve for x
    x = 2,956,578,057,899,302/81,648,010.80
  6. Step 6: Final answer
    x = 36,211,268.70

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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.