Home / 144,149,903.22-198,926,803.58-78,070,404.54

Finding the Fourth Proportional to 144,149,903.22, 198,926,803.58 and 78,070,404.54

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Solution

The fourth proportional to 144,149,903.22, 198,926,803.58 and 78,070,404.54 is: 107,737,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,149,903.22 : 198,926,803.58 = 78,070,404.54 : x
  2. Step 2: Convert to fraction form
    144,149,903.22/198,926,803.58 = 78,070,404.54/x
  3. Step 3: Cross multiply
    144,149,903.22x = 198,926,803.58 × 78,070,404.54
  4. Step 4: Simplify right side
    144,149,903.22x = 15,530,296,029,339,722
  5. Step 5: Solve for x
    x = 15,530,296,029,339,722/144,149,903.22
  6. Step 6: Final answer
    x = 107,737,124.22

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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.