Finding the Fourth Proportional to 75,121,812.96, 112,724,586.96 and 40,577,518.56
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Solution
The fourth proportional to 75,121,812.96, 112,724,586.96 and 40,577,518.56 is: 60,888,892.84
Step by Step Solution
- Step 1: Write the proportion equation
75,121,812.96 : 112,724,586.96 = 40,577,518.56 : x - Step 2: Convert to fraction form
75,121,812.96/112,724,586.96 = 40,577,518.56/x - Step 3: Cross multiply
75,121,812.96x = 112,724,586.96 × 40,577,518.56 - Step 4: Simplify right side
75,121,812.96x = 4,574,084,019,537,734 - Step 5: Solve for x
x = 4,574,084,019,537,734/75,121,812.96 - Step 6: Final answer
x = 60,888,892.84
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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.