Home / 45,513,755.20-68,280,463.20-13,604,276.80

Finding the Fourth Proportional to 45,513,755.20, 68,280,463.20 and 13,604,276.80

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Solution

The fourth proportional to 45,513,755.20, 68,280,463.20 and 13,604,276.80 is: 20,409,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513,755.20 : 68,280,463.20 = 13,604,276.80 : x
  2. Step 2: Convert to fraction form
    45,513,755.20/68,280,463.20 = 13,604,276.80/x
  3. Step 3: Cross multiply
    45,513,755.20x = 68,280,463.20 × 13,604,276.80
  4. Step 4: Simplify right side
    45,513,755.20x = 928,906,321,405,013.88
  5. Step 5: Solve for x
    x = 928,906,321,405,013.88/45,513,755.20
  6. Step 6: Final answer
    x = 20,409,353.55

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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.