Home / 231,450,325.80-347,573,619.90-163,768,021.80

Finding the Fourth Proportional to 231,450,325.80, 347,573,619.90 and 163,768,021.80

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Solution

The fourth proportional to 231,450,325.80, 347,573,619.90 and 163,768,021.80 is: 245,933,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,450,325.80 : 347,573,619.90 = 163,768,021.80 : x
  2. Step 2: Convert to fraction form
    231,450,325.80/347,573,619.90 = 163,768,021.80/x
  3. Step 3: Cross multiply
    231,450,325.80x = 347,573,619.90 × 163,768,021.80
  4. Step 4: Simplify right side
    231,450,325.80x = 56,921,444,160,888,112
  5. Step 5: Solve for x
    x = 56,921,444,160,888,112/231,450,325.80
  6. Step 6: Final answer
    x = 245,933,739.62

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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.