Home / 53,741,731.20-80,596,979.47-20,945,000.80

Finding the Fourth Proportional to 53,741,731.20, 80,596,979.47 and 20,945,000.80

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Solution

The fourth proportional to 53,741,731.20, 80,596,979.47 and 20,945,000.80 is: 31,411,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741,731.20 : 80,596,979.47 = 20,945,000.80 : x
  2. Step 2: Convert to fraction form
    53,741,731.20/80,596,979.47 = 20,945,000.80/x
  3. Step 3: Cross multiply
    53,741,731.20x = 80,596,979.47 × 20,945,000.80
  4. Step 4: Simplify right side
    53,741,731.20x = 1,688,103,799,476,733.50
  5. Step 5: Solve for x
    x = 1,688,103,799,476,733.50/53,741,731.20
  6. Step 6: Final answer
    x = 31,411,414.59

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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.