Finding the Fourth Proportional to 147,734,214.72, 222,609,715.12 and 121,397,835.84
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Solution
The fourth proportional to 147,734,214.72, 222,609,715.12 and 121,397,835.84 is: 182,925,381.94
Step by Step Solution
- Step 1: Write the proportion equation
147,734,214.72 : 222,609,715.12 = 121,397,835.84 : x - Step 2: Convert to fraction form
147,734,214.72/222,609,715.12 = 121,397,835.84/x - Step 3: Cross multiply
147,734,214.72x = 222,609,715.12 × 121,397,835.84 - Step 4: Simplify right side
147,734,214.72x = 27,024,337,652,526,928 - Step 5: Solve for x
x = 27,024,337,652,526,928/147,734,214.72 - Step 6: Final answer
x = 182,925,381.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.