Home / 285,344,731.32-427,290,494.04-188,005,333.38

Finding the Fourth Proportional to 285,344,731.32, 427,290,494.04 and 188,005,333.38

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Solution

The fourth proportional to 285,344,731.32, 427,290,494.04 and 188,005,333.38 is: 281,529,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344,731.32 : 427,290,494.04 = 188,005,333.38 : x
  2. Step 2: Convert to fraction form
    285,344,731.32/427,290,494.04 = 188,005,333.38/x
  3. Step 3: Cross multiply
    285,344,731.32x = 427,290,494.04 × 188,005,333.38
  4. Step 4: Simplify right side
    285,344,731.32x = 80,332,891,782,095,104
  5. Step 5: Solve for x
    x = 80,332,891,782,095,104/285,344,731.32
  6. Step 6: Final answer
    x = 281,529,262.55

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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.