Finding the Fourth Proportional to 146,999,944.16, 220,533,135.48 and 48,631,420.02
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Solution
The fourth proportional to 146,999,944.16, 220,533,135.48 and 48,631,420.02 is: 72,958,119.82
Step by Step Solution
- Step 1: Write the proportion equation
146,999,944.16 : 220,533,135.48 = 48,631,420.02 : x - Step 2: Convert to fraction form
146,999,944.16/220,533,135.48 = 48,631,420.02/x - Step 3: Cross multiply
146,999,944.16x = 220,533,135.48 × 48,631,420.02 - Step 4: Simplify right side
146,999,944.16x = 10,724,839,539,855,444 - Step 5: Solve for x
x = 10,724,839,539,855,444/146,999,944.16 - Step 6: Final answer
x = 72,958,119.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.