Home / 199,286,903.40-298,930,355.10-183,981,402.60

Finding the Fourth Proportional to 199,286,903.40, 298,930,355.10 and 183,981,402.60

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Solution

The fourth proportional to 199,286,903.40, 298,930,355.10 and 183,981,402.60 is: 275,972,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,903.40 : 298,930,355.10 = 183,981,402.60 : x
  2. Step 2: Convert to fraction form
    199,286,903.40/298,930,355.10 = 183,981,402.60/x
  3. Step 3: Cross multiply
    199,286,903.40x = 298,930,355.10 × 183,981,402.60
  4. Step 4: Simplify right side
    199,286,903.40x = 54,997,626,011,014,064
  5. Step 5: Solve for x
    x = 54,997,626,011,014,064/199,286,903.40
  6. Step 6: Final answer
    x = 275,972,103.90

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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.