Finding the Fourth Proportional to 77,008,464.44, 115,434,857.94 and 48,274,763.96
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Solution
The fourth proportional to 77,008,464.44, 115,434,857.94 and 48,274,763.96 is: 72,363,350.71
Step by Step Solution
- Step 1: Write the proportion equation
77,008,464.44 : 115,434,857.94 = 48,274,763.96 : x - Step 2: Convert to fraction form
77,008,464.44/115,434,857.94 = 48,274,763.96/x - Step 3: Cross multiply
77,008,464.44x = 115,434,857.94 × 48,274,763.96 - Step 4: Simplify right side
77,008,464.44x = 5,572,590,519,809,632 - Step 5: Solve for x
x = 5,572,590,519,809,632/77,008,464.44 - Step 6: Final answer
x = 72,363,350.71
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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.