Home / 150,629,186.86-207,871,347.54-84,554,449.36

Finding the Fourth Proportional to 150,629,186.86, 207,871,347.54 and 84,554,449.36

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Solution

The fourth proportional to 150,629,186.86, 207,871,347.54 and 84,554,449.36 is: 116,686,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629,186.86 : 207,871,347.54 = 84,554,449.36 : x
  2. Step 2: Convert to fraction form
    150,629,186.86/207,871,347.54 = 84,554,449.36/x
  3. Step 3: Cross multiply
    150,629,186.86x = 207,871,347.54 × 84,554,449.36
  4. Step 4: Simplify right side
    150,629,186.86x = 17,576,447,328,965,890
  5. Step 5: Solve for x
    x = 17,576,447,328,965,890/150,629,186.86
  6. Step 6: Final answer
    x = 116,686,863.25

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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.