Home / 168,400,830.70-252,601,246.05-113,981,272.30

Finding the Fourth Proportional to 168,400,830.70, 252,601,246.05 and 113,981,272.30

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Solution

The fourth proportional to 168,400,830.70, 252,601,246.05 and 113,981,272.30 is: 170,971,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,830.70 : 252,601,246.05 = 113,981,272.30 : x
  2. Step 2: Convert to fraction form
    168,400,830.70/252,601,246.05 = 113,981,272.30/x
  3. Step 3: Cross multiply
    168,400,830.70x = 252,601,246.05 × 113,981,272.30
  4. Step 4: Simplify right side
    168,400,830.70x = 28,791,811,409,344,352
  5. Step 5: Solve for x
    x = 28,791,811,409,344,352/168,400,830.70
  6. Step 6: Final answer
    x = 170,971,908.45

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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.