Home / 81,756,671.28-122,585,611.44-32,580,089.88

Finding the Fourth Proportional to 81,756,671.28, 122,585,611.44 and 32,580,089.88

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Solution

The fourth proportional to 81,756,671.28, 122,585,611.44 and 32,580,089.88 is: 48,850,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,756,671.28 : 122,585,611.44 = 32,580,089.88 : x
  2. Step 2: Convert to fraction form
    81,756,671.28/122,585,611.44 = 32,580,089.88/x
  3. Step 3: Cross multiply
    81,756,671.28x = 122,585,611.44 × 32,580,089.88
  4. Step 4: Simplify right side
    81,756,671.28x = 3,993,850,238,709,956
  5. Step 5: Solve for x
    x = 3,993,850,238,709,956/81,756,671.28
  6. Step 6: Final answer
    x = 48,850,450.69

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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.