Finding the Fourth Proportional to 91,517,337.36, 137,770,772.43 and 83,372,326.08
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Solution
The fourth proportional to 91,517,337.36, 137,770,772.43 and 83,372,326.08 is: 125,509,221.47
Step by Step Solution
- Step 1: Write the proportion equation
91,517,337.36 : 137,770,772.43 = 83,372,326.08 : x - Step 2: Convert to fraction form
91,517,337.36/137,770,772.43 = 83,372,326.08/x - Step 3: Cross multiply
91,517,337.36x = 137,770,772.43 × 83,372,326.08 - Step 4: Simplify right side
91,517,337.36x = 11,486,269,763,327,434 - Step 5: Solve for x
x = 11,486,269,763,327,434/91,517,337.36 - Step 6: Final answer
x = 125,509,221.47
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.