Home / 76,490,102.97-114,701,398.11-21,890,256.81

Finding the Fourth Proportional to 76,490,102.97, 114,701,398.11 and 21,890,256.81

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Solution

The fourth proportional to 76,490,102.97, 114,701,398.11 and 21,890,256.81 is: 32,825,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,490,102.97 : 114,701,398.11 = 21,890,256.81 : x
  2. Step 2: Convert to fraction form
    76,490,102.97/114,701,398.11 = 21,890,256.81/x
  3. Step 3: Cross multiply
    76,490,102.97x = 114,701,398.11 × 21,890,256.81
  4. Step 4: Simplify right side
    76,490,102.97x = 2,510,843,061,093,948.50
  5. Step 5: Solve for x
    x = 2,510,843,061,093,948.50/76,490,102.97
  6. Step 6: Final answer
    x = 32,825,724.68

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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.