Home / 49,076,890.60-67,722,126.68-28,451,665.38

Finding the Fourth Proportional to 49,076,890.60, 67,722,126.68 and 28,451,665.38

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Solution

The fourth proportional to 49,076,890.60, 67,722,126.68 and 28,451,665.38 is: 39,260,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,076,890.60 : 67,722,126.68 = 28,451,665.38 : x
  2. Step 2: Convert to fraction form
    49,076,890.60/67,722,126.68 = 28,451,665.38/x
  3. Step 3: Cross multiply
    49,076,890.60x = 67,722,126.68 × 28,451,665.38
  4. Step 4: Simplify right side
    49,076,890.60x = 1,926,807,287,121,330.50
  5. Step 5: Solve for x
    x = 1,926,807,287,121,330.50/49,076,890.60
  6. Step 6: Final answer
    x = 39,260,989.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.