Home / 49,147,653.80-73,863,198.30-42,912,079.40

Finding the Fourth Proportional to 49,147,653.80, 73,863,198.30 and 42,912,079.40

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Solution

The fourth proportional to 49,147,653.80, 73,863,198.30 and 42,912,079.40 is: 64,491,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,653.80 : 73,863,198.30 = 42,912,079.40 : x
  2. Step 2: Convert to fraction form
    49,147,653.80/73,863,198.30 = 42,912,079.40/x
  3. Step 3: Cross multiply
    49,147,653.80x = 73,863,198.30 × 42,912,079.40
  4. Step 4: Simplify right side
    49,147,653.80x = 3,169,623,430,187,545
  5. Step 5: Solve for x
    x = 3,169,623,430,187,545/49,147,653.80
  6. Step 6: Final answer
    x = 64,491,856.38

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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.