Finding the Fourth Proportional to 218,850,158.09, 302,020,377.71 and 119,728,606.05
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Solution
The fourth proportional to 218,850,158.09, 302,020,377.71 and 119,728,606.05 is: 165,229,393.20
Step by Step Solution
- Step 1: Write the proportion equation
218,850,158.09 : 302,020,377.71 = 119,728,606.05 : x - Step 2: Convert to fraction form
218,850,158.09/302,020,377.71 = 119,728,606.05/x - Step 3: Cross multiply
218,850,158.09x = 302,020,377.71 × 119,728,606.05 - Step 4: Simplify right side
218,850,158.09x = 36,160,478,821,314,144 - Step 5: Solve for x
x = 36,160,478,821,314,144/218,850,158.09 - Step 6: Final answer
x = 165,229,393.20
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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.