Home / 100,432,829.60-150,611,919.60-39,836,016.80

Finding the Fourth Proportional to 100,432,829.60, 150,611,919.60 and 39,836,016.80

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Solution

The fourth proportional to 100,432,829.60, 150,611,919.60 and 39,836,016.80 is: 59,739,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432,829.60 : 150,611,919.60 = 39,836,016.80 : x
  2. Step 2: Convert to fraction form
    100,432,829.60/150,611,919.60 = 39,836,016.80/x
  3. Step 3: Cross multiply
    100,432,829.60x = 150,611,919.60 × 39,836,016.80
  4. Step 4: Simplify right side
    100,432,829.60x = 5,999,778,959,465,849
  5. Step 5: Solve for x
    x = 5,999,778,959,465,849/100,432,829.60
  6. Step 6: Final answer
    x = 59,739,220.57

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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.