Home / 260,770,129.08-359,865,642.54-143,295,489.72

Finding the Fourth Proportional to 260,770,129.08, 359,865,642.54 and 143,295,489.72

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Solution

The fourth proportional to 260,770,129.08, 359,865,642.54 and 143,295,489.72 is: 197,749,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,770,129.08 : 359,865,642.54 = 143,295,489.72 : x
  2. Step 2: Convert to fraction form
    260,770,129.08/359,865,642.54 = 143,295,489.72/x
  3. Step 3: Cross multiply
    260,770,129.08x = 359,865,642.54 × 143,295,489.72
  4. Step 4: Simplify right side
    260,770,129.08x = 51,567,123,481,171,768
  5. Step 5: Solve for x
    x = 51,567,123,481,171,768/260,770,129.08
  6. Step 6: Final answer
    x = 197,749,349.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.