Home / 49,147,638.80-73,863,175.80-42,912,064.40

Finding the Fourth Proportional to 49,147,638.80, 73,863,175.80 and 42,912,064.40

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Solution

The fourth proportional to 49,147,638.80, 73,863,175.80 and 42,912,064.40 is: 64,491,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,638.80 : 73,863,175.80 = 42,912,064.40 : x
  2. Step 2: Convert to fraction form
    49,147,638.80/73,863,175.80 = 42,912,064.40/x
  3. Step 3: Cross multiply
    49,147,638.80x = 73,863,175.80 × 42,912,064.40
  4. Step 4: Simplify right side
    49,147,638.80x = 3,169,621,356,718,121.50
  5. Step 5: Solve for x
    x = 3,169,621,356,718,121.50/49,147,638.80
  6. Step 6: Final answer
    x = 64,491,833.87

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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.