Home / 40,128,136.20-60,192,204.30-29,909,435.40

Finding the Fourth Proportional to 40,128,136.20, 60,192,204.30 and 29,909,435.40

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Solution

The fourth proportional to 40,128,136.20, 60,192,204.30 and 29,909,435.40 is: 44,864,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,136.20 : 60,192,204.30 = 29,909,435.40 : x
  2. Step 2: Convert to fraction form
    40,128,136.20/60,192,204.30 = 29,909,435.40/x
  3. Step 3: Cross multiply
    40,128,136.20x = 60,192,204.30 × 29,909,435.40
  4. Step 4: Simplify right side
    40,128,136.20x = 1,800,314,846,094,452
  5. Step 5: Solve for x
    x = 1,800,314,846,094,452/40,128,136.20
  6. Step 6: Final answer
    x = 44,864,153.10

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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.