Home / 49,531,741.20-74,306,469.15-20,780,783.10

Finding the Fourth Proportional to 49,531,741.20, 74,306,469.15 and 20,780,783.10

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Solution

The fourth proportional to 49,531,741.20, 74,306,469.15 and 20,780,783.10 is: 31,174,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531,741.20 : 74,306,469.15 = 20,780,783.10 : x
  2. Step 2: Convert to fraction form
    49,531,741.20/74,306,469.15 = 20,780,783.10/x
  3. Step 3: Cross multiply
    49,531,741.20x = 74,306,469.15 × 20,780,783.10
  4. Step 4: Simplify right side
    49,531,741.20x = 1,544,146,618,332,991.50
  5. Step 5: Solve for x
    x = 1,544,146,618,332,991.50/49,531,741.20
  6. Step 6: Final answer
    x = 31,174,890.70

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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.