Home / 290,489,745.42-400,873,258.98-158,330,735.10

Finding the Fourth Proportional to 290,489,745.42, 400,873,258.98 and 158,330,735.10

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Solution

The fourth proportional to 290,489,745.42, 400,873,258.98 and 158,330,735.10 is: 218,495,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,489,745.42 : 400,873,258.98 = 158,330,735.10 : x
  2. Step 2: Convert to fraction form
    290,489,745.42/400,873,258.98 = 158,330,735.10/x
  3. Step 3: Cross multiply
    290,489,745.42x = 400,873,258.98 × 158,330,735.10
  4. Step 4: Simplify right side
    290,489,745.42x = 63,470,557,776,236,080
  5. Step 5: Solve for x
    x = 63,470,557,776,236,080/290,489,745.42
  6. Step 6: Final answer
    x = 218,495,002.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.