Home / 199,530,138.60-299,295,207.90-131,449,703.40

Finding the Fourth Proportional to 199,530,138.60, 299,295,207.90 and 131,449,703.40

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Solution

The fourth proportional to 199,530,138.60, 299,295,207.90 and 131,449,703.40 is: 197,174,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,138.60 : 299,295,207.90 = 131,449,703.40 : x
  2. Step 2: Convert to fraction form
    199,530,138.60/299,295,207.90 = 131,449,703.40/x
  3. Step 3: Cross multiply
    199,530,138.60x = 299,295,207.90 × 131,449,703.40
  4. Step 4: Simplify right side
    199,530,138.60x = 39,342,266,307,496,336
  5. Step 5: Solve for x
    x = 39,342,266,307,496,336/199,530,138.60
  6. Step 6: Final answer
    x = 197,174,555.10

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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.