Finding the Fourth Proportional to 136,062,906.46, 187,782,751.66 and 77,334,399.53
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Solution
The fourth proportional to 136,062,906.46, 187,782,751.66 and 77,334,399.53 is: 106,730,531.63
Step by Step Solution
- Step 1: Write the proportion equation
136,062,906.46 : 187,782,751.66 = 77,334,399.53 : x - Step 2: Convert to fraction form
136,062,906.46/187,782,751.66 = 77,334,399.53/x - Step 3: Cross multiply
136,062,906.46x = 187,782,751.66 × 77,334,399.53 - Step 4: Simplify right side
136,062,906.46x = 14,522,066,341,717,210 - Step 5: Solve for x
x = 14,522,066,341,717,210/136,062,906.46 - Step 6: Final answer
x = 106,730,531.63
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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.