Home / 99,523,683.20-149,285,524.80-82,517,571.20

Finding the Fourth Proportional to 99,523,683.20, 149,285,524.80 and 82,517,571.20

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Solution

The fourth proportional to 99,523,683.20, 149,285,524.80 and 82,517,571.20 is: 123,776,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523,683.20 : 149,285,524.80 = 82,517,571.20 : x
  2. Step 2: Convert to fraction form
    99,523,683.20/149,285,524.80 = 82,517,571.20/x
  3. Step 3: Cross multiply
    99,523,683.20x = 149,285,524.80 × 82,517,571.20
  4. Step 4: Simplify right side
    99,523,683.20x = 12,318,678,921,813,368
  5. Step 5: Solve for x
    x = 12,318,678,921,813,368/99,523,683.20
  6. Step 6: Final answer
    x = 123,776,356.80

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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.