Finding the Fourth Proportional to 213,372,122.08, 319,912,550.80 and 113,676,677.32
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Solution
The fourth proportional to 213,372,122.08, 319,912,550.80 and 113,676,677.32 is: 170,437,428.53
Step by Step Solution
- Step 1: Write the proportion equation
213,372,122.08 : 319,912,550.80 = 113,676,677.32 : x - Step 2: Convert to fraction form
213,372,122.08/319,912,550.80 = 113,676,677.32/x - Step 3: Cross multiply
213,372,122.08x = 319,912,550.80 × 113,676,677.32 - Step 4: Simplify right side
213,372,122.08x = 36,366,595,807,909,704 - Step 5: Solve for x
x = 36,366,595,807,909,704/213,372,122.08 - Step 6: Final answer
x = 170,437,428.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.