Finding the Fourth Proportional to 79,036,326.18, 118,622,590.49 and 54,792,278.28
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Solution
The fourth proportional to 79,036,326.18, 118,622,590.49 and 54,792,278.28 is: 82,235,628.89
Step by Step Solution
- Step 1: Write the proportion equation
79,036,326.18 : 118,622,590.49 = 54,792,278.28 : x - Step 2: Convert to fraction form
79,036,326.18/118,622,590.49 = 54,792,278.28/x - Step 3: Cross multiply
79,036,326.18x = 118,622,590.49 × 54,792,278.28 - Step 4: Simplify right side
79,036,326.18x = 6,499,601,988,559,543 - Step 5: Solve for x
x = 6,499,601,988,559,543/79,036,326.18 - Step 6: Final answer
x = 82,235,628.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.