Home / 81,954,718.40-122,938,298.40-24,442,500.80

Finding the Fourth Proportional to 81,954,718.40, 122,938,298.40 and 24,442,500.80

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Solution

The fourth proportional to 81,954,718.40, 122,938,298.40 and 24,442,500.80 is: 36,665,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954,718.40 : 122,938,298.40 = 24,442,500.80 : x
  2. Step 2: Convert to fraction form
    81,954,718.40/122,938,298.40 = 24,442,500.80/x
  3. Step 3: Cross multiply
    81,954,718.40x = 122,938,298.40 × 24,442,500.80
  4. Step 4: Simplify right side
    81,954,718.40x = 3,004,919,456,992,639
  5. Step 5: Solve for x
    x = 3,004,919,456,992,639/81,954,718.40
  6. Step 6: Final answer
    x = 36,665,606.52

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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.