Finding the Fourth Proportional to 154,897,940.05, 232,261,821.19 and 106,387,999.09
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Solution
The fourth proportional to 154,897,940.05, 232,261,821.19 and 106,387,999.09 is: 159,523,557.34
Step by Step Solution
- Step 1: Write the proportion equation
154,897,940.05 : 232,261,821.19 = 106,387,999.09 : x - Step 2: Convert to fraction form
154,897,940.05/232,261,821.19 = 106,387,999.09/x - Step 3: Cross multiply
154,897,940.05x = 232,261,821.19 × 106,387,999.09 - Step 4: Simplify right side
154,897,940.05x = 24,709,870,420,955,796 - Step 5: Solve for x
x = 24,709,870,420,955,796/154,897,940.05 - Step 6: Final answer
x = 159,523,557.34
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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.