Home / 49,928,143.80-74,892,215.70-42,621,814.20

Finding the Fourth Proportional to 49,928,143.80, 74,892,215.70 and 42,621,814.20

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Solution

The fourth proportional to 49,928,143.80, 74,892,215.70 and 42,621,814.20 is: 63,932,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928,143.80 : 74,892,215.70 = 42,621,814.20 : x
  2. Step 2: Convert to fraction form
    49,928,143.80/74,892,215.70 = 42,621,814.20/x
  3. Step 3: Cross multiply
    49,928,143.80x = 74,892,215.70 × 42,621,814.20
  4. Step 4: Simplify right side
    49,928,143.80x = 3,192,042,102,591,723.50
  5. Step 5: Solve for x
    x = 3,192,042,102,591,723.50/49,928,143.80
  6. Step 6: Final answer
    x = 63,932,721.30

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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.