Home / 199,205,543.78-298,408,140.97-99,193,881.90

Finding the Fourth Proportional to 199,205,543.78, 298,408,140.97 and 99,193,881.90

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Solution

The fourth proportional to 199,205,543.78, 298,408,140.97 and 99,193,881.90 is: 148,591,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,205,543.78 : 298,408,140.97 = 99,193,881.90 : x
  2. Step 2: Convert to fraction form
    199,205,543.78/298,408,140.97 = 99,193,881.90/x
  3. Step 3: Cross multiply
    199,205,543.78x = 298,408,140.97 × 99,193,881.90
  4. Step 4: Simplify right side
    199,205,543.78x = 29,600,261,894,370,740
  5. Step 5: Solve for x
    x = 29,600,261,894,370,740/199,205,543.78
  6. Step 6: Final answer
    x = 148,591,556.91

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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.