Home / 199,288,912.60-298,980,608.10-102,259,595.80

Finding the Fourth Proportional to 199,288,912.60, 298,980,608.10 and 102,259,595.80

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Solution

The fourth proportional to 199,288,912.60, 298,980,608.10 and 102,259,595.80 is: 153,413,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,912.60 : 298,980,608.10 = 102,259,595.80 : x
  2. Step 2: Convert to fraction form
    199,288,912.60/298,980,608.10 = 102,259,595.80/x
  3. Step 3: Cross multiply
    199,288,912.60x = 298,980,608.10 × 102,259,595.80
  4. Step 4: Simplify right side
    199,288,912.60x = 30,573,636,136,344,208
  5. Step 5: Solve for x
    x = 30,573,636,136,344,208/199,288,912.60
  6. Step 6: Final answer
    x = 153,413,633.19

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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.