Finding the Fourth Proportional to 218,850,264.15, 302,020,523.76 and 119,728,712.08
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Solution
The fourth proportional to 218,850,264.15, 302,020,523.76 and 119,728,712.08 is: 165,229,539.35
Step by Step Solution
- Step 1: Write the proportion equation
218,850,264.15 : 302,020,523.76 = 119,728,712.08 : x - Step 2: Convert to fraction form
218,850,264.15/302,020,523.76 = 119,728,712.08/x - Step 3: Cross multiply
218,850,264.15x = 302,020,523.76 × 119,728,712.08 - Step 4: Simplify right side
218,850,264.15x = 36,160,528,331,511,840 - Step 5: Solve for x
x = 36,160,528,331,511,840/218,850,264.15 - Step 6: Final answer
x = 165,229,539.35
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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.