Home / 247,964,965.48-342,194,790.54-136,468,643.68

Finding the Fourth Proportional to 247,964,965.48, 342,194,790.54 and 136,468,643.68

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Solution

The fourth proportional to 247,964,965.48, 342,194,790.54 and 136,468,643.68 is: 188,328,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,964,965.48 : 342,194,790.54 = 136,468,643.68 : x
  2. Step 2: Convert to fraction form
    247,964,965.48/342,194,790.54 = 136,468,643.68/x
  3. Step 3: Cross multiply
    247,964,965.48x = 342,194,790.54 × 136,468,643.68
  4. Step 4: Simplify right side
    247,964,965.48x = 46,698,858,939,355,504
  5. Step 5: Solve for x
    x = 46,698,858,939,355,504/247,964,965.48
  6. Step 6: Final answer
    x = 188,328,455.39

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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.