Home / 201,936,531.15-303,041,089.17-79,099,611.30

Finding the Fourth Proportional to 201,936,531.15, 303,041,089.17 and 79,099,611.30

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Solution

The fourth proportional to 201,936,531.15, 303,041,089.17 and 79,099,611.30 is: 118,702,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936,531.15 : 303,041,089.17 = 79,099,611.30 : x
  2. Step 2: Convert to fraction form
    201,936,531.15/303,041,089.17 = 79,099,611.30/x
  3. Step 3: Cross multiply
    201,936,531.15x = 303,041,089.17 × 79,099,611.30
  4. Step 4: Simplify right side
    201,936,531.15x = 23,970,432,361,275,640
  5. Step 5: Solve for x
    x = 23,970,432,361,275,640/201,936,531.15
  6. Step 6: Final answer
    x = 118,702,803.42

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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.