Finding the Fourth Proportional to 117,518,982.75, 162,163,318.32 and 67,951,855.31
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Solution
The fourth proportional to 117,518,982.75, 162,163,318.32 and 67,951,855.31 is: 93,766,114.07
Step by Step Solution
- Step 1: Write the proportion equation
117,518,982.75 : 162,163,318.32 = 67,951,855.31 : x - Step 2: Convert to fraction form
117,518,982.75/162,163,318.32 = 67,951,855.31/x - Step 3: Cross multiply
117,518,982.75x = 162,163,318.32 × 67,951,855.31 - Step 4: Simplify right side
117,518,982.75x = 11,019,298,342,259,296 - Step 5: Solve for x
x = 11,019,298,342,259,296/117,518,982.75 - Step 6: Final answer
x = 93,766,114.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.