Home / 213,147,706.83-294,169,357.22-129,529,500.49

Finding the Fourth Proportional to 213,147,706.83, 294,169,357.22 and 129,529,500.49

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Solution

The fourth proportional to 213,147,706.83, 294,169,357.22 and 129,529,500.49 is: 178,766,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,147,706.83 : 294,169,357.22 = 129,529,500.49 : x
  2. Step 2: Convert to fraction form
    213,147,706.83/294,169,357.22 = 129,529,500.49/x
  3. Step 3: Cross multiply
    213,147,706.83x = 294,169,357.22 × 129,529,500.49
  4. Step 4: Simplify right side
    213,147,706.83x = 38,103,609,900,170,976
  5. Step 5: Solve for x
    x = 38,103,609,900,170,976/213,147,706.83
  6. Step 6: Final answer
    x = 178,766,220.23

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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.