Home / 60,426,076.80-90,639,115.20-50,860,138.80

Finding the Fourth Proportional to 60,426,076.80, 90,639,115.20 and 50,860,138.80

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Solution

The fourth proportional to 60,426,076.80, 90,639,115.20 and 50,860,138.80 is: 76,290,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426,076.80 : 90,639,115.20 = 50,860,138.80 : x
  2. Step 2: Convert to fraction form
    60,426,076.80/90,639,115.20 = 50,860,138.80/x
  3. Step 3: Cross multiply
    60,426,076.80x = 90,639,115.20 × 50,860,138.80
  4. Step 4: Simplify right side
    60,426,076.80x = 4,609,917,979,781,190
  5. Step 5: Solve for x
    x = 4,609,917,979,781,190/60,426,076.80
  6. Step 6: Final answer
    x = 76,290,208.20

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Similar ratio
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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.