Home / 142,560,636.56-196,733,760.28-77,370,540.56

Finding the Fourth Proportional to 142,560,636.56, 196,733,760.28 and 77,370,540.56

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Solution

The fourth proportional to 142,560,636.56, 196,733,760.28 and 77,370,540.56 is: 106,771,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,636.56 : 196,733,760.28 = 77,370,540.56 : x
  2. Step 2: Convert to fraction form
    142,560,636.56/196,733,760.28 = 77,370,540.56/x
  3. Step 3: Cross multiply
    142,560,636.56x = 196,733,760.28 × 77,370,540.56
  4. Step 4: Simplify right side
    142,560,636.56x = 15,221,397,379,265,058
  5. Step 5: Solve for x
    x = 15,221,397,379,265,058/142,560,636.56
  6. Step 6: Final answer
    x = 106,771,390.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.