Finding the Fourth Proportional to 96,319,557.72, 132,865,400.88 and 61,472,971.35
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Solution
The fourth proportional to 96,319,557.72, 132,865,400.88 and 61,472,971.35 is: 84,797,222.65
Step by Step Solution
- Step 1: Write the proportion equation
96,319,557.72 : 132,865,400.88 = 61,472,971.35 : x - Step 2: Convert to fraction form
96,319,557.72/132,865,400.88 = 61,472,971.35/x - Step 3: Cross multiply
96,319,557.72x = 132,865,400.88 × 61,472,971.35 - Step 4: Simplify right side
96,319,557.72x = 8,167,630,981,702,505 - Step 5: Solve for x
x = 8,167,630,981,702,505/96,319,557.72 - Step 6: Final answer
x = 84,797,222.65
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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.