Home / 131,488,028.82-197,258,943.33-45,215,231.22

Finding the Fourth Proportional to 131,488,028.82, 197,258,943.33 and 45,215,231.22

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Solution

The fourth proportional to 131,488,028.82, 197,258,943.33 and 45,215,231.22 is: 67,832,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,028.82 : 197,258,943.33 = 45,215,231.22 : x
  2. Step 2: Convert to fraction form
    131,488,028.82/197,258,943.33 = 45,215,231.22/x
  3. Step 3: Cross multiply
    131,488,028.82x = 197,258,943.33 × 45,215,231.22
  4. Step 4: Simplify right side
    131,488,028.82x = 8,919,108,732,878,827
  5. Step 5: Solve for x
    x = 8,919,108,732,878,827/131,488,028.82
  6. Step 6: Final answer
    x = 67,832,097.06

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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.