Home / 145,200,604.40-217,800,906.60-131,763,676.40

Finding the Fourth Proportional to 145,200,604.40, 217,800,906.60 and 131,763,676.40

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Solution

The fourth proportional to 145,200,604.40, 217,800,906.60 and 131,763,676.40 is: 197,645,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200,604.40 : 217,800,906.60 = 131,763,676.40 : x
  2. Step 2: Convert to fraction form
    145,200,604.40/217,800,906.60 = 131,763,676.40/x
  3. Step 3: Cross multiply
    145,200,604.40x = 217,800,906.60 × 131,763,676.40
  4. Step 4: Simplify right side
    145,200,604.40x = 28,698,248,176,869,024
  5. Step 5: Solve for x
    x = 28,698,248,176,869,024/145,200,604.40
  6. Step 6: Final answer
    x = 197,645,514.60

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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.