Home / 132,190,472.72-182,346,874.16-82,544,665.12

Finding the Fourth Proportional to 132,190,472.72, 182,346,874.16 and 82,544,665.12

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Solution

The fourth proportional to 132,190,472.72, 182,346,874.16 and 82,544,665.12 is: 113,864,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,190,472.72 : 182,346,874.16 = 82,544,665.12 : x
  2. Step 2: Convert to fraction form
    132,190,472.72/182,346,874.16 = 82,544,665.12/x
  3. Step 3: Cross multiply
    132,190,472.72x = 182,346,874.16 × 82,544,665.12
  4. Step 4: Simplify right side
    132,190,472.72x = 15,051,761,662,347,392
  5. Step 5: Solve for x
    x = 15,051,761,662,347,392/132,190,472.72
  6. Step 6: Final answer
    x = 113,864,194.24

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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.