Home / 81,954,665.40-122,938,218.90-24,442,447.80

Finding the Fourth Proportional to 81,954,665.40, 122,938,218.90 and 24,442,447.80

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Solution

The fourth proportional to 81,954,665.40, 122,938,218.90 and 24,442,447.80 is: 36,665,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954,665.40 : 122,938,218.90 = 24,442,447.80 : x
  2. Step 2: Convert to fraction form
    81,954,665.40/122,938,218.90 = 24,442,447.80/x
  3. Step 3: Cross multiply
    81,954,665.40x = 122,938,218.90 × 24,442,447.80
  4. Step 4: Simplify right side
    81,954,665.40x = 3,004,910,998,088,223.50
  5. Step 5: Solve for x
    x = 3,004,910,998,088,223.50/81,954,665.40
  6. Step 6: Final answer
    x = 36,665,527.01

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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.