Home / 80,510,236.21-120,653,625.58-36,683,888.90

Finding the Fourth Proportional to 80,510,236.21, 120,653,625.58 and 36,683,888.90

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Solution

The fourth proportional to 80,510,236.21, 120,653,625.58 and 36,683,888.90 is: 54,974,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510,236.21 : 120,653,625.58 = 36,683,888.90 : x
  2. Step 2: Convert to fraction form
    80,510,236.21/120,653,625.58 = 36,683,888.90/x
  3. Step 3: Cross multiply
    80,510,236.21x = 120,653,625.58 × 36,683,888.90
  4. Step 4: Simplify right side
    80,510,236.21x = 4,426,044,195,670,104
  5. Step 5: Solve for x
    x = 4,426,044,195,670,104/80,510,236.21
  6. Step 6: Final answer
    x = 54,974,924.98

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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.