Home / 101,643,058.42-140,269,497.09-55,236,301.78

Finding the Fourth Proportional to 101,643,058.42, 140,269,497.09 and 55,236,301.78

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Solution

The fourth proportional to 101,643,058.42, 140,269,497.09 and 55,236,301.78 is: 76,227,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643,058.42 : 140,269,497.09 = 55,236,301.78 : x
  2. Step 2: Convert to fraction form
    101,643,058.42/140,269,497.09 = 55,236,301.78/x
  3. Step 3: Cross multiply
    101,643,058.42x = 140,269,497.09 × 55,236,301.78
  4. Step 4: Simplify right side
    101,643,058.42x = 7,747,968,271,792,072
  5. Step 5: Solve for x
    x = 7,747,968,271,792,072/101,643,058.42
  6. Step 6: Final answer
    x = 76,227,224.88

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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.