Finding the Fourth Proportional to 252,306,115.94, 378,457,585.82 and 135,776,362.82
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Solution
The fourth proportional to 252,306,115.94, 378,457,585.82 and 135,776,362.82 is: 203,663,689.61
Step by Step Solution
- Step 1: Write the proportion equation
252,306,115.94 : 378,457,585.82 = 135,776,362.82 : x - Step 2: Convert to fraction form
252,306,115.94/378,457,585.82 = 135,776,362.82/x - Step 3: Cross multiply
252,306,115.94x = 378,457,585.82 × 135,776,362.82 - Step 4: Simplify right side
252,306,115.94x = 51,385,594,485,054,032 - Step 5: Solve for x
x = 51,385,594,485,054,032/252,306,115.94 - Step 6: Final answer
x = 203,663,689.61
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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.