Home / 173,441,754.78-239,327,556.24-99,107,133.78

Finding the Fourth Proportional to 173,441,754.78, 239,327,556.24 and 99,107,133.78

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Solution

The fourth proportional to 173,441,754.78, 239,327,556.24 and 99,107,133.78 is: 136,755,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,441,754.78 : 239,327,556.24 = 99,107,133.78 : x
  2. Step 2: Convert to fraction form
    173,441,754.78/239,327,556.24 = 99,107,133.78/x
  3. Step 3: Cross multiply
    173,441,754.78x = 239,327,556.24 × 99,107,133.78
  4. Step 4: Simplify right side
    173,441,754.78x = 23,719,068,133,518,156
  5. Step 5: Solve for x
    x = 23,719,068,133,518,156/173,441,754.78
  6. Step 6: Final answer
    x = 136,755,236.15

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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.