Home / 133,715,631.80-184,449,393.81-84,077,418.56

Finding the Fourth Proportional to 133,715,631.80, 184,449,393.81 and 84,077,418.56

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Solution

The fourth proportional to 133,715,631.80, 184,449,393.81 and 84,077,418.56 is: 115,977,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,715,631.80 : 184,449,393.81 = 84,077,418.56 : x
  2. Step 2: Convert to fraction form
    133,715,631.80/184,449,393.81 = 84,077,418.56/x
  3. Step 3: Cross multiply
    133,715,631.80x = 184,449,393.81 × 84,077,418.56
  4. Step 4: Simplify right side
    133,715,631.80x = 15,508,028,885,579,398
  5. Step 5: Solve for x
    x = 15,508,028,885,579,398/133,715,631.80
  6. Step 6: Final answer
    x = 115,977,680.97

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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.