Home / 150,629,178.86-207,871,336.50-84,554,441.36

Finding the Fourth Proportional to 150,629,178.86, 207,871,336.50 and 84,554,441.36

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Solution

The fourth proportional to 150,629,178.86, 207,871,336.50 and 84,554,441.36 is: 116,686,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629,178.86 : 207,871,336.50 = 84,554,441.36 : x
  2. Step 2: Convert to fraction form
    150,629,178.86/207,871,336.50 = 84,554,441.36/x
  3. Step 3: Cross multiply
    150,629,178.86x = 207,871,336.50 × 84,554,441.36
  4. Step 4: Simplify right side
    150,629,178.86x = 17,576,444,732,514,078
  5. Step 5: Solve for x
    x = 17,576,444,732,514,078/150,629,178.86
  6. Step 6: Final answer
    x = 116,686,852.21

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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.