Home / 248,427,976.15-342,829,571.11-136,918,550.83

Finding the Fourth Proportional to 248,427,976.15, 342,829,571.11 and 136,918,550.83

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Solution

The fourth proportional to 248,427,976.15, 342,829,571.11 and 136,918,550.83 is: 188,947,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,427,976.15 : 342,829,571.11 = 136,918,550.83 : x
  2. Step 2: Convert to fraction form
    248,427,976.15/342,829,571.11 = 136,918,550.83/x
  3. Step 3: Cross multiply
    248,427,976.15x = 342,829,571.11 × 136,918,550.83
  4. Step 4: Simplify right side
    248,427,976.15x = 46,939,728,058,264,200
  5. Step 5: Solve for x
    x = 46,939,728,058,264,200/248,427,976.15
  6. Step 6: Final answer
    x = 188,947,029.18

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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.