Home / 49,147,639.30-73,863,176.55-42,912,064.90

Finding the Fourth Proportional to 49,147,639.30, 73,863,176.55 and 42,912,064.90

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Solution

The fourth proportional to 49,147,639.30, 73,863,176.55 and 42,912,064.90 is: 64,491,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,639.30 : 73,863,176.55 = 42,912,064.90 : x
  2. Step 2: Convert to fraction form
    49,147,639.30/73,863,176.55 = 42,912,064.90/x
  3. Step 3: Cross multiply
    49,147,639.30x = 73,863,176.55 × 42,912,064.90
  4. Step 4: Simplify right side
    49,147,639.30x = 3,169,621,425,833,758
  5. Step 5: Solve for x
    x = 3,169,621,425,833,758/49,147,639.30
  6. Step 6: Final answer
    x = 64,491,834.62

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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.