Home / 350,438,347.34-525,286,839.09-131,994,171.26

Finding the Fourth Proportional to 350,438,347.34, 525,286,839.09 and 131,994,171.26

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Solution

The fourth proportional to 350,438,347.34, 525,286,839.09 and 131,994,171.26 is: 197,851,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,438,347.34 : 525,286,839.09 = 131,994,171.26 : x
  2. Step 2: Convert to fraction form
    350,438,347.34/525,286,839.09 = 131,994,171.26/x
  3. Step 3: Cross multiply
    350,438,347.34x = 525,286,839.09 × 131,994,171.26
  4. Step 4: Simplify right side
    350,438,347.34x = 69,334,800,999,469,520
  5. Step 5: Solve for x
    x = 69,334,800,999,469,520/350,438,347.34
  6. Step 6: Final answer
    x = 197,851,637.89

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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.