Home / 248,933,147.70-373,399,721.55-105,307,317.30

Finding the Fourth Proportional to 248,933,147.70, 373,399,721.55 and 105,307,317.30

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Solution

The fourth proportional to 248,933,147.70, 373,399,721.55 and 105,307,317.30 is: 157,960,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,933,147.70 : 373,399,721.55 = 105,307,317.30 : x
  2. Step 2: Convert to fraction form
    248,933,147.70/373,399,721.55 = 105,307,317.30/x
  3. Step 3: Cross multiply
    248,933,147.70x = 373,399,721.55 × 105,307,317.30
  4. Step 4: Simplify right side
    248,933,147.70x = 39,321,722,956,997,496
  5. Step 5: Solve for x
    x = 39,321,722,956,997,496/248,933,147.70
  6. Step 6: Final answer
    x = 157,960,975.95

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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.