Home / 199,051,213.60-298,576,820.40-112,957,771.60

Finding the Fourth Proportional to 199,051,213.60, 298,576,820.40 and 112,957,771.60

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Solution

The fourth proportional to 199,051,213.60, 298,576,820.40 and 112,957,771.60 is: 169,436,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,051,213.60 : 298,576,820.40 = 112,957,771.60 : x
  2. Step 2: Convert to fraction form
    199,051,213.60/298,576,820.40 = 112,957,771.60/x
  3. Step 3: Cross multiply
    199,051,213.60x = 298,576,820.40 × 112,957,771.60
  4. Step 4: Simplify right side
    199,051,213.60x = 33,726,572,283,797,416
  5. Step 5: Solve for x
    x = 33,726,572,283,797,416/199,051,213.60
  6. Step 6: Final answer
    x = 169,436,657.40

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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.