Home / 80,292,989.49-110,804,325.33-45,485,679.88

Finding the Fourth Proportional to 80,292,989.49, 110,804,325.33 and 45,485,679.88

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Solution

The fourth proportional to 80,292,989.49, 110,804,325.33 and 45,485,679.88 is: 62,770,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292,989.49 : 110,804,325.33 = 45,485,679.88 : x
  2. Step 2: Convert to fraction form
    80,292,989.49/110,804,325.33 = 45,485,679.88/x
  3. Step 3: Cross multiply
    80,292,989.49x = 110,804,325.33 × 45,485,679.88
  4. Step 4: Simplify right side
    80,292,989.49x = 5,040,010,071,052,327
  5. Step 5: Solve for x
    x = 5,040,010,071,052,327/80,292,989.49
  6. Step 6: Final answer
    x = 62,770,238.14

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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.