Finding the Fourth Proportional to 314,511,243.03, 434,026,826.30 and 173,379,362.99
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Solution
The fourth proportional to 314,511,243.03, 434,026,826.30 and 173,379,362.99 is: 239,264,243.58
Step by Step Solution
- Step 1: Write the proportion equation
314,511,243.03 : 434,026,826.30 = 173,379,362.99 : x - Step 2: Convert to fraction form
314,511,243.03/434,026,826.30 = 173,379,362.99/x - Step 3: Cross multiply
314,511,243.03x = 434,026,826.30 × 173,379,362.99 - Step 4: Simplify right side
314,511,243.03x = 75,251,294,661,428,352 - Step 5: Solve for x
x = 75,251,294,661,428,352/314,511,243.03 - Step 6: Final answer
x = 239,264,243.58
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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.