Home / 279,599,706.29-419,501,828.45-130,105,467.81

Finding the Fourth Proportional to 279,599,706.29, 419,501,828.45 and 130,105,467.81

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Solution

The fourth proportional to 279,599,706.29, 419,501,828.45 and 130,105,467.81 is: 195,205,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,599,706.29 : 419,501,828.45 = 130,105,467.81 : x
  2. Step 2: Convert to fraction form
    279,599,706.29/419,501,828.45 = 130,105,467.81/x
  3. Step 3: Cross multiply
    279,599,706.29x = 419,501,828.45 × 130,105,467.81
  4. Step 4: Simplify right side
    279,599,706.29x = 54,579,481,637,962,880
  5. Step 5: Solve for x
    x = 54,579,481,637,962,880/279,599,706.29
  6. Step 6: Final answer
    x = 195,205,790.31

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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.