Finding the Fourth Proportional to 118,607,554.80, 163,677,163.73 and 66,397,019.49
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Solution
The fourth proportional to 118,607,554.80, 163,677,163.73 and 66,397,019.49 is: 91,627,180.48
Step by Step Solution
- Step 1: Write the proportion equation
118,607,554.80 : 163,677,163.73 = 66,397,019.49 : x - Step 2: Convert to fraction form
118,607,554.80/163,677,163.73 = 66,397,019.49/x - Step 3: Cross multiply
118,607,554.80x = 163,677,163.73 × 66,397,019.49 - Step 4: Simplify right side
118,607,554.80x = 10,867,675,829,916,746 - Step 5: Solve for x
x = 10,867,675,829,916,746/118,607,554.80 - Step 6: Final answer
x = 91,627,180.48
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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.