Home / 131,488,029.82-197,258,944.83-45,215,232.22

Finding the Fourth Proportional to 131,488,029.82, 197,258,944.83 and 45,215,232.22

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Solution

The fourth proportional to 131,488,029.82, 197,258,944.83 and 45,215,232.22 is: 67,832,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,029.82 : 197,258,944.83 = 45,215,232.22 : x
  2. Step 2: Convert to fraction form
    131,488,029.82/197,258,944.83 = 45,215,232.22/x
  3. Step 3: Cross multiply
    131,488,029.82x = 197,258,944.83 × 45,215,232.22
  4. Step 4: Simplify right side
    131,488,029.82x = 8,919,108,997,960,619
  5. Step 5: Solve for x
    x = 8,919,108,997,960,619/131,488,029.82
  6. Step 6: Final answer
    x = 67,832,098.56

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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.