Finding the Fourth Proportional to 136,062,906.44, 187,782,751.62 and 77,334,399.50
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Solution
The fourth proportional to 136,062,906.44, 187,782,751.62 and 77,334,399.50 is: 106,730,531.58
Step by Step Solution
- Step 1: Write the proportion equation
136,062,906.44 : 187,782,751.62 = 77,334,399.50 : x - Step 2: Convert to fraction form
136,062,906.44/187,782,751.62 = 77,334,399.50/x - Step 3: Cross multiply
136,062,906.44x = 187,782,751.62 × 77,334,399.50 - Step 4: Simplify right side
136,062,906.44x = 14,522,066,332,051,440 - Step 5: Solve for x
x = 14,522,066,332,051,440/136,062,906.44 - Step 6: Final answer
x = 106,730,531.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.