Finding the Fourth Proportional to 170,899,231.98, 235,976,107.41 and 157,841,267.34
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Solution
The fourth proportional to 170,899,231.98, 235,976,107.41 and 157,841,267.34 is: 217,945,788.43
Step by Step Solution
- Step 1: Write the proportion equation
170,899,231.98 : 235,976,107.41 = 157,841,267.34 : x - Step 2: Convert to fraction form
170,899,231.98/235,976,107.41 = 157,841,267.34/x - Step 3: Cross multiply
170,899,231.98x = 235,976,107.41 × 157,841,267.34 - Step 4: Simplify right side
170,899,231.98x = 37,246,767,855,554,368 - Step 5: Solve for x
x = 37,246,767,855,554,368/170,899,231.98 - Step 6: Final answer
x = 217,945,788.43
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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.