Home / 168,502,893.90-252,782,334.45-66,270,266.70

Finding the Fourth Proportional to 168,502,893.90, 252,782,334.45 and 66,270,266.70

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Solution

The fourth proportional to 168,502,893.90, 252,782,334.45 and 66,270,266.70 is: 99,416,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,893.90 : 252,782,334.45 = 66,270,266.70 : x
  2. Step 2: Convert to fraction form
    168,502,893.90/252,782,334.45 = 66,270,266.70/x
  3. Step 3: Cross multiply
    168,502,893.90x = 252,782,334.45 × 66,270,266.70
  4. Step 4: Simplify right side
    168,502,893.90x = 16,751,952,721,050,098
  5. Step 5: Solve for x
    x = 16,751,952,721,050,098/168,502,893.90
  6. Step 6: Final answer
    x = 99,416,409.61

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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.