Home / 279,599,717.54-419,501,845.29-130,105,479.06

Finding the Fourth Proportional to 279,599,717.54, 419,501,845.29 and 130,105,479.06

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Solution

The fourth proportional to 279,599,717.54, 419,501,845.29 and 130,105,479.06 is: 195,205,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,599,717.54 : 419,501,845.29 = 130,105,479.06 : x
  2. Step 2: Convert to fraction form
    279,599,717.54/419,501,845.29 = 130,105,479.06/x
  3. Step 3: Cross multiply
    279,599,717.54x = 419,501,845.29 × 130,105,479.06
  4. Step 4: Simplify right side
    279,599,717.54x = 54,579,488,548,497,352
  5. Step 5: Solve for x
    x = 54,579,488,548,497,352/279,599,717.54
  6. Step 6: Final answer
    x = 195,205,807.17

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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.