Home / 345,302,169.32-476,520,340.56-188,669,261.72

Finding the Fourth Proportional to 345,302,169.32, 476,520,340.56 and 188,669,261.72

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Solution

The fourth proportional to 345,302,169.32, 476,520,340.56 and 188,669,261.72 is: 260,365,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,302,169.32 : 476,520,340.56 = 188,669,261.72 : x
  2. Step 2: Convert to fraction form
    345,302,169.32/476,520,340.56 = 188,669,261.72/x
  3. Step 3: Cross multiply
    345,302,169.32x = 476,520,340.56 × 188,669,261.72
  4. Step 4: Simplify right side
    345,302,169.32x = 89,904,740,848,018,176
  5. Step 5: Solve for x
    x = 89,904,740,848,018,176/345,302,169.32
  6. Step 6: Final answer
    x = 260,365,409.88

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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.