Home / 168,174,211.20-252,261,316.80-53,193,998.40

Finding the Fourth Proportional to 168,174,211.20, 252,261,316.80 and 53,193,998.40

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Solution

The fourth proportional to 168,174,211.20, 252,261,316.80 and 53,193,998.40 is: 79,790,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,174,211.20 : 252,261,316.80 = 53,193,998.40 : x
  2. Step 2: Convert to fraction form
    168,174,211.20/252,261,316.80 = 53,193,998.40/x
  3. Step 3: Cross multiply
    168,174,211.20x = 252,261,316.80 × 53,193,998.40
  4. Step 4: Simplify right side
    168,174,211.20x = 13,418,788,082,241,094
  5. Step 5: Solve for x
    x = 13,418,788,082,241,094/168,174,211.20
  6. Step 6: Final answer
    x = 79,790,997.60

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1.5x scale

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.