Home / 199,286,913.60-298,977,609.60-102,257,596.80

Finding the Fourth Proportional to 199,286,913.60, 298,977,609.60 and 102,257,596.80

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Solution

The fourth proportional to 199,286,913.60, 298,977,609.60 and 102,257,596.80 is: 153,410,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,913.60 : 298,977,609.60 = 102,257,596.80 : x
  2. Step 2: Convert to fraction form
    199,286,913.60/298,977,609.60 = 102,257,596.80/x
  3. Step 3: Cross multiply
    199,286,913.60x = 298,977,609.60 × 102,257,596.80
  4. Step 4: Simplify right side
    199,286,913.60x = 30,572,731,854,704,612
  5. Step 5: Solve for x
    x = 30,572,731,854,704,612/199,286,913.60
  6. Step 6: Final answer
    x = 153,410,634.46

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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.