Home / 213,108,163.50-294,089,265.72-115,323,019.50

Finding the Fourth Proportional to 213,108,163.50, 294,089,265.72 and 115,323,019.50

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Solution

The fourth proportional to 213,108,163.50, 294,089,265.72 and 115,323,019.50 is: 159,145,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,108,163.50 : 294,089,265.72 = 115,323,019.50 : x
  2. Step 2: Convert to fraction form
    213,108,163.50/294,089,265.72 = 115,323,019.50/x
  3. Step 3: Cross multiply
    213,108,163.50x = 294,089,265.72 × 115,323,019.50
  4. Step 4: Simplify right side
    213,108,163.50x = 33,915,262,125,368,244
  5. Step 5: Solve for x
    x = 33,915,262,125,368,244/213,108,163.50
  6. Step 6: Final answer
    x = 159,145,766.96

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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.