Finding the Fourth Proportional to 215,157,827.84, 322,492,106.72 and 189,199,258.88
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Solution
The fourth proportional to 215,157,827.84, 322,492,106.72 and 189,199,258.88 is: 283,583,768.24
Step by Step Solution
- Step 1: Write the proportion equation
215,157,827.84 : 322,492,106.72 = 189,199,258.88 : x - Step 2: Convert to fraction form
215,157,827.84/322,492,106.72 = 189,199,258.88/x - Step 3: Cross multiply
215,157,827.84x = 322,492,106.72 × 189,199,258.88 - Step 4: Simplify right side
215,157,827.84x = 61,015,267,586,073,872 - Step 5: Solve for x
x = 61,015,267,586,073,872/215,157,827.84 - Step 6: Final answer
x = 283,583,768.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.