Home / 168,572,715.60-252,859,073.40-110,374,021.20

Finding the Fourth Proportional to 168,572,715.60, 252,859,073.40 and 110,374,021.20

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Solution

The fourth proportional to 168,572,715.60, 252,859,073.40 and 110,374,021.20 is: 165,561,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,572,715.60 : 252,859,073.40 = 110,374,021.20 : x
  2. Step 2: Convert to fraction form
    168,572,715.60/252,859,073.40 = 110,374,021.20/x
  3. Step 3: Cross multiply
    168,572,715.60x = 252,859,073.40 × 110,374,021.20
  4. Step 4: Simplify right side
    168,572,715.60x = 27,909,072,728,063,956
  5. Step 5: Solve for x
    x = 27,909,072,728,063,956/168,572,715.60
  6. Step 6: Final answer
    x = 165,561,031.80

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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.