Finding the Fourth Proportional to 135,940,368.30, 203,910,552.45 and 122,335,478.70
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Solution
The fourth proportional to 135,940,368.30, 203,910,552.45 and 122,335,478.70 is: 183,503,218.05
Step by Step Solution
- Step 1: Write the proportion equation
135,940,368.30 : 203,910,552.45 = 122,335,478.70 : x - Step 2: Convert to fraction form
135,940,368.30/203,910,552.45 = 122,335,478.70/x - Step 3: Cross multiply
135,940,368.30x = 203,910,552.45 × 122,335,478.70 - Step 4: Simplify right side
135,940,368.30x = 24,945,495,045,952,208 - Step 5: Solve for x
x = 24,945,495,045,952,208/135,940,368.30 - Step 6: Final answer
x = 183,503,218.05
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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.