Finding the Fourth Proportional to 89,899,918.62, 124,062,103.35 and 48,647,253.66
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Solution
The fourth proportional to 89,899,918.62, 124,062,103.35 and 48,647,253.66 is: 67,133,326.75
Step by Step Solution
- Step 1: Write the proportion equation
89,899,918.62 : 124,062,103.35 = 48,647,253.66 : x - Step 2: Convert to fraction form
89,899,918.62/124,062,103.35 = 48,647,253.66/x - Step 3: Cross multiply
89,899,918.62x = 124,062,103.35 × 48,647,253.66 - Step 4: Simplify right side
89,899,918.62x = 6,035,280,611,260,585 - Step 5: Solve for x
x = 6,035,280,611,260,585/89,899,918.62 - Step 6: Final answer
x = 67,133,326.75
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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.