Home / 342,030,198.86-472,007,721.04-185,402,507.66

Finding the Fourth Proportional to 342,030,198.86, 472,007,721.04 and 185,402,507.66

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Solution

The fourth proportional to 342,030,198.86, 472,007,721.04 and 185,402,507.66 is: 255,858,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,030,198.86 : 472,007,721.04 = 185,402,507.66 : x
  2. Step 2: Convert to fraction form
    342,030,198.86/472,007,721.04 = 185,402,507.66/x
  3. Step 3: Cross multiply
    342,030,198.86x = 472,007,721.04 × 185,402,507.66
  4. Step 4: Simplify right side
    342,030,198.86x = 87,511,415,112,874,208
  5. Step 5: Solve for x
    x = 87,511,415,112,874,208/342,030,198.86
  6. Step 6: Final answer
    x = 255,858,738.22

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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.