Home / 196,111,383.96-270,663,132.12-148,990,917.36

Finding the Fourth Proportional to 196,111,383.96, 270,663,132.12 and 148,990,917.36

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Solution

The fourth proportional to 196,111,383.96, 270,663,132.12 and 148,990,917.36 is: 205,629,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,111,383.96 : 270,663,132.12 = 148,990,917.36 : x
  2. Step 2: Convert to fraction form
    196,111,383.96/270,663,132.12 = 148,990,917.36/x
  3. Step 3: Cross multiply
    196,111,383.96x = 270,663,132.12 × 148,990,917.36
  4. Step 4: Simplify right side
    196,111,383.96x = 40,326,348,350,089,688
  5. Step 5: Solve for x
    x = 40,326,348,350,089,688/196,111,383.96
  6. Step 6: Final answer
    x = 205,629,818.81

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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.