Home / 49,491,468.90-74,263,775.40-20,740,510.80

Finding the Fourth Proportional to 49,491,468.90, 74,263,775.40 and 20,740,510.80

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Solution

The fourth proportional to 49,491,468.90, 74,263,775.40 and 20,740,510.80 is: 31,121,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491,468.90 : 74,263,775.40 = 20,740,510.80 : x
  2. Step 2: Convert to fraction form
    49,491,468.90/74,263,775.40 = 20,740,510.80/x
  3. Step 3: Cross multiply
    49,491,468.90x = 74,263,775.40 × 20,740,510.80
  4. Step 4: Simplify right side
    49,491,468.90x = 1,540,268,635,732,474.50
  5. Step 5: Solve for x
    x = 1,540,268,635,732,474.50/49,491,468.90
  6. Step 6: Final answer
    x = 31,121,901.81

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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.