Home / 150,171,108,786.90-207,253,896,242.83-89,203,716,876.77

Finding the Fourth Proportional to 150,171,108,786.90, 207,253,896,242.83 and 89,203,716,876.77

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Solution

The fourth proportional to 150,171,108,786.90, 207,253,896,242.83 and 89,203,716,876.77 is: 123,111,682,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,171,108,786.90 : 207,253,896,242.83 = 89,203,716,876.77 : x
  2. Step 2: Convert to fraction form
    150,171,108,786.90/207,253,896,242.83 = 89,203,716,876.77/x
  3. Step 3: Cross multiply
    150,171,108,786.90x = 207,253,896,242.83 × 89,203,716,876.77
  4. Step 4: Simplify right side
    150,171,108,786.90x = 18,487,817,882,051,834,544,128
  5. Step 5: Solve for x
    x = 18,487,817,882,051,834,544,128/150,171,108,786.90
  6. Step 6: Final answer
    x = 123,111,682,609.25

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1.5x scale

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.