Home / 131,294,436.04-196,765,610.82-102,183,424.84

Finding the Fourth Proportional to 131,294,436.04, 196,765,610.82 and 102,183,424.84

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Solution

The fourth proportional to 131,294,436.04, 196,765,610.82 and 102,183,424.84 is: 153,138,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,294,436.04 : 196,765,610.82 = 102,183,424.84 : x
  2. Step 2: Convert to fraction form
    131,294,436.04/196,765,610.82 = 102,183,424.84/x
  3. Step 3: Cross multiply
    131,294,436.04x = 196,765,610.82 × 102,183,424.84
  4. Step 4: Simplify right side
    131,294,436.04x = 20,106,184,004,322,160
  5. Step 5: Solve for x
    x = 20,106,184,004,322,160/131,294,436.04
  6. Step 6: Final answer
    x = 153,138,126.88

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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.