Home / 281,017,572.42-421,768,496.39-194,816,513.62

Finding the Fourth Proportional to 281,017,572.42, 421,768,496.39 and 194,816,513.62

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Solution

The fourth proportional to 281,017,572.42, 421,768,496.39 and 194,816,513.62 is: 292,392,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,017,572.42 : 421,768,496.39 = 194,816,513.62 : x
  2. Step 2: Convert to fraction form
    281,017,572.42/421,768,496.39 = 194,816,513.62/x
  3. Step 3: Cross multiply
    281,017,572.42x = 421,768,496.39 × 194,816,513.62
  4. Step 4: Simplify right side
    281,017,572.42x = 82,167,468,021,449,360
  5. Step 5: Solve for x
    x = 82,167,468,021,449,360/281,017,572.42
  6. Step 6: Final answer
    x = 292,392,633.36

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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.