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Finding the Fourth Proportional to 158,770,162.20, 238,155,243.30 and 158,770,162.20

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Solution

The fourth proportional to 158,770,162.20, 238,155,243.30 and 158,770,162.20 is: 238,155,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,770,162.20 : 238,155,243.30 = 158,770,162.20 : x
  2. Step 2: Convert to fraction form
    158,770,162.20/238,155,243.30 = 158,770,162.20/x
  3. Step 3: Cross multiply
    158,770,162.20x = 238,155,243.30 × 158,770,162.20
  4. Step 4: Simplify right side
    158,770,162.20x = 37,811,946,607,521,464
  5. Step 5: Solve for x
    x = 37,811,946,607,521,464/158,770,162.20
  6. Step 6: Final answer
    x = 238,155,243.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.