Home / 196,238,317.98-270,814,655.43-108,137,990.78

Finding the Fourth Proportional to 196,238,317.98, 270,814,655.43 and 108,137,990.78

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Solution

The fourth proportional to 196,238,317.98, 270,814,655.43 and 108,137,990.78 is: 149,233,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238,317.98 : 270,814,655.43 = 108,137,990.78 : x
  2. Step 2: Convert to fraction form
    196,238,317.98/270,814,655.43 = 108,137,990.78/x
  3. Step 3: Cross multiply
    196,238,317.98x = 270,814,655.43 × 108,137,990.78
  4. Step 4: Simplify right side
    196,238,317.98x = 29,285,352,710,624,148
  5. Step 5: Solve for x
    x = 29,285,352,710,624,148/196,238,317.98
  6. Step 6: Final answer
    x = 149,233,610.50

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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.