Home / 40,128,221.20-60,192,331.80-29,909,520.40

Finding the Fourth Proportional to 40,128,221.20, 60,192,331.80 and 29,909,520.40

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Solution

The fourth proportional to 40,128,221.20, 60,192,331.80 and 29,909,520.40 is: 44,864,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,221.20 : 60,192,331.80 = 29,909,520.40 : x
  2. Step 2: Convert to fraction form
    40,128,221.20/60,192,331.80 = 29,909,520.40/x
  3. Step 3: Cross multiply
    40,128,221.20x = 60,192,331.80 × 29,909,520.40
  4. Step 4: Simplify right side
    40,128,221.20x = 1,800,323,775,895,668.50
  5. Step 5: Solve for x
    x = 1,800,323,775,895,668.50/40,128,221.20
  6. Step 6: Final answer
    x = 44,864,280.60

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1.5x scale

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.