Home / 213,108,134-294,089,225.16-115,322,990

Finding the Fourth Proportional to 213,108,134, 294,089,225.16 and 115,322,990

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Solution

The fourth proportional to 213,108,134, 294,089,225.16 and 115,322,990 is: 159,145,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,108,134 : 294,089,225.16 = 115,322,990 : x
  2. Step 2: Convert to fraction form
    213,108,134/294,089,225.16 = 115,322,990/x
  3. Step 3: Cross multiply
    213,108,134x = 294,089,225.16 × 115,322,990
  4. Step 4: Simplify right side
    213,108,134x = 33,915,248,772,234,432
  5. Step 5: Solve for x
    x = 33,915,248,772,234,432/213,108,134
  6. Step 6: Final answer
    x = 159,145,726.33

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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.