Home / 187,919,384.54-259,334,647.97-108,532,971.26

Finding the Fourth Proportional to 187,919,384.54, 259,334,647.97 and 108,532,971.26

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Solution

The fourth proportional to 187,919,384.54, 259,334,647.97 and 108,532,971.26 is: 149,778,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,919,384.54 : 259,334,647.97 = 108,532,971.26 : x
  2. Step 2: Convert to fraction form
    187,919,384.54/259,334,647.97 = 108,532,971.26/x
  3. Step 3: Cross multiply
    187,919,384.54x = 259,334,647.97 × 108,532,971.26
  4. Step 4: Simplify right side
    187,919,384.54x = 28,146,359,894,850,228
  5. Step 5: Solve for x
    x = 28,146,359,894,850,228/187,919,384.54
  6. Step 6: Final answer
    x = 149,778,906.33

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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.