Home / 150,780,631,662.72-208,075,579,164.54-82,190,543,012.82

Finding the Fourth Proportional to 150,780,631,662.72, 208,075,579,164.54 and 82,190,543,012.82

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Solution

The fourth proportional to 150,780,631,662.72, 208,075,579,164.54 and 82,190,543,012.82 is: 113,422,026,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,780,631,662.72 : 208,075,579,164.54 = 82,190,543,012.82 : x
  2. Step 2: Convert to fraction form
    150,780,631,662.72/208,075,579,164.54 = 82,190,543,012.82/x
  3. Step 3: Cross multiply
    150,780,631,662.72x = 208,075,579,164.54 × 82,190,543,012.82
  4. Step 4: Simplify right side
    150,780,631,662.72x = 17,101,844,839,240,560,541,696
  5. Step 5: Solve for x
    x = 17,101,844,839,240,560,541,696/150,780,631,662.72
  6. Step 6: Final answer
    x = 113,422,026,759.35

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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.