Home / 290,254,067.56-400,559,787.30-158,099,035.24

Finding the Fourth Proportional to 290,254,067.56, 400,559,787.30 and 158,099,035.24

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Solution

The fourth proportional to 290,254,067.56, 400,559,787.30 and 158,099,035.24 is: 218,181,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,254,067.56 : 400,559,787.30 = 158,099,035.24 : x
  2. Step 2: Convert to fraction form
    290,254,067.56/400,559,787.30 = 158,099,035.24/x
  3. Step 3: Cross multiply
    290,254,067.56x = 400,559,787.30 × 158,099,035.24
  4. Step 4: Simplify right side
    290,254,067.56x = 63,328,115,928,069,608
  5. Step 5: Solve for x
    x = 63,328,115,928,069,608/290,254,067.56
  6. Step 6: Final answer
    x = 218,181,665.67

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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.