Home / 243,112,077.81-364,463,757.97-196,939,450.58

Finding the Fourth Proportional to 243,112,077.81, 364,463,757.97 and 196,939,450.58

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Solution

The fourth proportional to 243,112,077.81, 364,463,757.97 and 196,939,450.58 is: 295,243,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,112,077.81 : 364,463,757.97 = 196,939,450.58 : x
  2. Step 2: Convert to fraction form
    243,112,077.81/364,463,757.97 = 196,939,450.58/x
  3. Step 3: Cross multiply
    243,112,077.81x = 364,463,757.97 × 196,939,450.58
  4. Step 4: Simplify right side
    243,112,077.81x = 71,777,292,248,619,216
  5. Step 5: Solve for x
    x = 71,777,292,248,619,216/243,112,077.81
  6. Step 6: Final answer
    x = 295,243,629.59

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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.