Home / 131,488,019.82-197,258,929.83-45,215,222.22

Finding the Fourth Proportional to 131,488,019.82, 197,258,929.83 and 45,215,222.22

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Solution

The fourth proportional to 131,488,019.82, 197,258,929.83 and 45,215,222.22 is: 67,832,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,019.82 : 197,258,929.83 = 45,215,222.22 : x
  2. Step 2: Convert to fraction form
    131,488,019.82/197,258,929.83 = 45,215,222.22/x
  3. Step 3: Cross multiply
    131,488,019.82x = 197,258,929.83 × 45,215,222.22
  4. Step 4: Simplify right side
    131,488,019.82x = 8,919,106,347,142,837
  5. Step 5: Solve for x
    x = 8,919,106,347,142,837/131,488,019.82
  6. Step 6: Final answer
    x = 67,832,083.56

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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.