Home / 49,783,609.20-74,586,940.20-42,705,721.20

Finding the Fourth Proportional to 49,783,609.20, 74,586,940.20 and 42,705,721.20

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Solution

The fourth proportional to 49,783,609.20, 74,586,940.20 and 42,705,721.20 is: 63,982,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783,609.20 : 74,586,940.20 = 42,705,721.20 : x
  2. Step 2: Convert to fraction form
    49,783,609.20/74,586,940.20 = 42,705,721.20/x
  3. Step 3: Cross multiply
    49,783,609.20x = 74,586,940.20 × 42,705,721.20
  4. Step 4: Simplify right side
    49,783,609.20x = 3,185,289,073,342,272.50
  5. Step 5: Solve for x
    x = 3,185,289,073,342,272.50/49,783,609.20
  6. Step 6: Final answer
    x = 63,982,686.76

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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.