Finding the Fourth Proportional to 304,841,087.13, 420,706,425.57 and 170,876,861.88
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Solution
The fourth proportional to 304,841,087.13, 420,706,425.57 and 170,876,861.88 is: 235,824,489.58
Step by Step Solution
- Step 1: Write the proportion equation
304,841,087.13 : 420,706,425.57 = 170,876,861.88 : x - Step 2: Convert to fraction form
304,841,087.13/420,706,425.57 = 170,876,861.88/x - Step 3: Cross multiply
304,841,087.13x = 420,706,425.57 × 170,876,861.88 - Step 4: Simplify right side
304,841,087.13x = 71,888,993,774,153,384 - Step 5: Solve for x
x = 71,888,993,774,153,384/304,841,087.13 - Step 6: Final answer
x = 235,824,489.58
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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.