Home / 298,408,861.60-447,613,292.40-82,998,109.60

Finding the Fourth Proportional to 298,408,861.60, 447,613,292.40 and 82,998,109.60

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Solution

The fourth proportional to 298,408,861.60, 447,613,292.40 and 82,998,109.60 is: 124,497,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,408,861.60 : 447,613,292.40 = 82,998,109.60 : x
  2. Step 2: Convert to fraction form
    298,408,861.60/447,613,292.40 = 82,998,109.60/x
  3. Step 3: Cross multiply
    298,408,861.60x = 447,613,292.40 × 82,998,109.60
  4. Step 4: Simplify right side
    298,408,861.60x = 37,151,057,101,032,040
  5. Step 5: Solve for x
    x = 37,151,057,101,032,040/298,408,861.60
  6. Step 6: Final answer
    x = 124,497,164.40

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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.