Home / 194,017,487.40-290,601,078.30-172,476,412.20

Finding the Fourth Proportional to 194,017,487.40, 290,601,078.30 and 172,476,412.20

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Solution

The fourth proportional to 194,017,487.40, 290,601,078.30 and 172,476,412.20 is: 258,336,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,487.40 : 290,601,078.30 = 172,476,412.20 : x
  2. Step 2: Convert to fraction form
    194,017,487.40/290,601,078.30 = 172,476,412.20/x
  3. Step 3: Cross multiply
    194,017,487.40x = 290,601,078.30 × 172,476,412.20
  4. Step 4: Simplify right side
    194,017,487.40x = 50,121,831,366,635,272
  5. Step 5: Solve for x
    x = 50,121,831,366,635,272/194,017,487.40
  6. Step 6: Final answer
    x = 258,336,668.71

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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.