Finding the Fourth Proportional to 124,705,450.98, 172,086,580.62 and 68,947,647.84
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Solution
The fourth proportional to 124,705,450.98, 172,086,580.62 and 68,947,647.84 is: 95,143,916.05
Step by Step Solution
- Step 1: Write the proportion equation
124,705,450.98 : 172,086,580.62 = 68,947,647.84 : x - Step 2: Convert to fraction form
124,705,450.98/172,086,580.62 = 68,947,647.84/x - Step 3: Cross multiply
124,705,450.98x = 172,086,580.62 × 68,947,647.84 - Step 4: Simplify right side
124,705,450.98x = 11,864,964,958,577,530 - Step 5: Solve for x
x = 11,864,964,958,577,530/124,705,450.98 - Step 6: Final answer
x = 95,143,916.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.