Home / 167,200,106.98-230,738,999.07-91,849,611.28

Finding the Fourth Proportional to 167,200,106.98, 230,738,999.07 and 91,849,611.28

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Solution

The fourth proportional to 167,200,106.98, 230,738,999.07 and 91,849,611.28 is: 126,754,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,200,106.98 : 230,738,999.07 = 91,849,611.28 : x
  2. Step 2: Convert to fraction form
    167,200,106.98/230,738,999.07 = 91,849,611.28/x
  3. Step 3: Cross multiply
    167,200,106.98x = 230,738,999.07 × 91,849,611.28
  4. Step 4: Simplify right side
    167,200,106.98x = 21,193,287,371,715,780
  5. Step 5: Solve for x
    x = 21,193,287,371,715,780/167,200,106.98
  6. Step 6: Final answer
    x = 126,754,029.97

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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.