Home / 258,916,713.91-388,528,297.85-95,269,391.36

Finding the Fourth Proportional to 258,916,713.91, 388,528,297.85 and 95,269,391.36

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Solution

The fourth proportional to 258,916,713.91, 388,528,297.85 and 95,269,391.36 is: 142,960,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,713.91 : 388,528,297.85 = 95,269,391.36 : x
  2. Step 2: Convert to fraction form
    258,916,713.91/388,528,297.85 = 95,269,391.36/x
  3. Step 3: Cross multiply
    258,916,713.91x = 388,528,297.85 × 95,269,391.36
  4. Step 4: Simplify right side
    258,916,713.91x = 37,014,854,462,058,808
  5. Step 5: Solve for x
    x = 37,014,854,462,058,808/258,916,713.91
  6. Step 6: Final answer
    x = 142,960,467.49

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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.