Home / 171,072,842.40-256,987,177.20-164,648,311.20

Finding the Fourth Proportional to 171,072,842.40, 256,987,177.20 and 164,648,311.20

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Solution

The fourth proportional to 171,072,842.40, 256,987,177.20 and 164,648,311.20 is: 247,336,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,842.40 : 256,987,177.20 = 164,648,311.20 : x
  2. Step 2: Convert to fraction form
    171,072,842.40/256,987,177.20 = 164,648,311.20/x
  3. Step 3: Cross multiply
    171,072,842.40x = 256,987,177.20 × 164,648,311.20
  4. Step 4: Simplify right side
    171,072,842.40x = 42,312,504,726,035,136
  5. Step 5: Solve for x
    x = 42,312,504,726,035,136/171,072,842.40
  6. Step 6: Final answer
    x = 247,336,188.10

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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.