Home / 40,128,103.20-60,192,154.80-34,355,200.80

Finding the Fourth Proportional to 40,128,103.20, 60,192,154.80 and 34,355,200.80

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Solution

The fourth proportional to 40,128,103.20, 60,192,154.80 and 34,355,200.80 is: 51,532,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,103.20 : 60,192,154.80 = 34,355,200.80 : x
  2. Step 2: Convert to fraction form
    40,128,103.20/60,192,154.80 = 34,355,200.80/x
  3. Step 3: Cross multiply
    40,128,103.20x = 60,192,154.80 × 34,355,200.80
  4. Step 4: Simplify right side
    40,128,103.20x = 2,067,913,564,738,683.50
  5. Step 5: Solve for x
    x = 2,067,913,564,738,683.50/40,128,103.20
  6. Step 6: Final answer
    x = 51,532,801.20

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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.