Home / 208,716,004.20-313,074,006.30-132,125,514.60

Finding the Fourth Proportional to 208,716,004.20, 313,074,006.30 and 132,125,514.60

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Solution

The fourth proportional to 208,716,004.20, 313,074,006.30 and 132,125,514.60 is: 198,188,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,716,004.20 : 313,074,006.30 = 132,125,514.60 : x
  2. Step 2: Convert to fraction form
    208,716,004.20/313,074,006.30 = 132,125,514.60/x
  3. Step 3: Cross multiply
    208,716,004.20x = 313,074,006.30 × 132,125,514.60
  4. Step 4: Simplify right side
    208,716,004.20x = 41,365,064,190,271,144
  5. Step 5: Solve for x
    x = 41,365,064,190,271,144/208,716,004.20
  6. Step 6: Final answer
    x = 198,188,271.90

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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.