Home / 123,599,402.32-170,489,590.36-73,328,029.60

Finding the Fourth Proportional to 123,599,402.32, 170,489,590.36 and 73,328,029.60

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Solution

The fourth proportional to 123,599,402.32, 170,489,590.36 and 73,328,029.60 is: 101,146,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599,402.32 : 170,489,590.36 = 73,328,029.60 : x
  2. Step 2: Convert to fraction form
    123,599,402.32/170,489,590.36 = 73,328,029.60/x
  3. Step 3: Cross multiply
    123,599,402.32x = 170,489,590.36 × 73,328,029.60
  4. Step 4: Simplify right side
    123,599,402.32x = 12,501,665,728,409,954
  5. Step 5: Solve for x
    x = 12,501,665,728,409,954/123,599,402.32
  6. Step 6: Final answer
    x = 101,146,651.96

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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.