Home / 49,006,915.20-73,510,372.80-20,243,491.20

Finding the Fourth Proportional to 49,006,915.20, 73,510,372.80 and 20,243,491.20

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Solution

The fourth proportional to 49,006,915.20, 73,510,372.80 and 20,243,491.20 is: 30,365,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,006,915.20 : 73,510,372.80 = 20,243,491.20 : x
  2. Step 2: Convert to fraction form
    49,006,915.20/73,510,372.80 = 20,243,491.20/x
  3. Step 3: Cross multiply
    49,006,915.20x = 73,510,372.80 × 20,243,491.20
  4. Step 4: Simplify right side
    49,006,915.20x = 1,488,106,584,885,519.25
  5. Step 5: Solve for x
    x = 1,488,106,584,885,519.25/49,006,915.20
  6. Step 6: Final answer
    x = 30,365,236.80

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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.