Finding the Fourth Proportional to 208,213,669.18, 310,459,020.01 and 202,493,163.59
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Solution
The fourth proportional to 208,213,669.18, 310,459,020.01 and 202,493,163.59 is: 301,929,404.42
Step by Step Solution
- Step 1: Write the proportion equation
208,213,669.18 : 310,459,020.01 = 202,493,163.59 : x - Step 2: Convert to fraction form
208,213,669.18/310,459,020.01 = 202,493,163.59/x - Step 3: Cross multiply
208,213,669.18x = 310,459,020.01 × 202,493,163.59 - Step 4: Simplify right side
208,213,669.18x = 62,865,829,126,876,016 - Step 5: Solve for x
x = 62,865,829,126,876,016/208,213,669.18 - Step 6: Final answer
x = 301,929,404.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.