Home / 107,839,391.20-161,759,086.80-47,373,215.20

Finding the Fourth Proportional to 107,839,391.20, 161,759,086.80 and 47,373,215.20

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Solution

The fourth proportional to 107,839,391.20, 161,759,086.80 and 47,373,215.20 is: 71,059,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,391.20 : 161,759,086.80 = 47,373,215.20 : x
  2. Step 2: Convert to fraction form
    107,839,391.20/161,759,086.80 = 47,373,215.20/x
  3. Step 3: Cross multiply
    107,839,391.20x = 161,759,086.80 × 47,373,215.20
  4. Step 4: Simplify right side
    107,839,391.20x = 7,663,048,029,531,880
  5. Step 5: Solve for x
    x = 7,663,048,029,531,880/107,839,391.20
  6. Step 6: Final answer
    x = 71,059,822.80

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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.