Home / 136,219,319.03-188,089,768.86-109,673,348.63

Finding the Fourth Proportional to 136,219,319.03, 188,089,768.86 and 109,673,348.63

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Solution

The fourth proportional to 136,219,319.03, 188,089,768.86 and 109,673,348.63 is: 151,435,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219,319.03 : 188,089,768.86 = 109,673,348.63 : x
  2. Step 2: Convert to fraction form
    136,219,319.03/188,089,768.86 = 109,673,348.63/x
  3. Step 3: Cross multiply
    136,219,319.03x = 188,089,768.86 × 109,673,348.63
  4. Step 4: Simplify right side
    136,219,319.03x = 20,628,434,792,430,080
  5. Step 5: Solve for x
    x = 20,628,434,792,430,080/136,219,319.03
  6. Step 6: Final answer
    x = 151,435,456.73

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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.