Home / 197,422,082.96-272,726,261.31-157,677,431.90

Finding the Fourth Proportional to 197,422,082.96, 272,726,261.31 and 157,677,431.90

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Solution

The fourth proportional to 197,422,082.96, 272,726,261.31 and 157,677,431.90 is: 217,821,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,422,082.96 : 272,726,261.31 = 157,677,431.90 : x
  2. Step 2: Convert to fraction form
    197,422,082.96/272,726,261.31 = 157,677,431.90/x
  3. Step 3: Cross multiply
    197,422,082.96x = 272,726,261.31 × 157,677,431.90
  4. Step 4: Simplify right side
    197,422,082.96x = 43,002,776,493,685,504
  5. Step 5: Solve for x
    x = 43,002,776,493,685,504/197,422,082.96
  6. Step 6: Final answer
    x = 217,821,511.40

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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.