Finding the Fourth Proportional to 96,427,486.51, 133,067,668.12 and 56,737,587.96
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Solution
The fourth proportional to 96,427,486.51, 133,067,668.12 and 56,737,587.96 is: 78,296,539.69
Step by Step Solution
- Step 1: Write the proportion equation
96,427,486.51 : 133,067,668.12 = 56,737,587.96 : x - Step 2: Convert to fraction form
96,427,486.51/133,067,668.12 = 56,737,587.96/x - Step 3: Cross multiply
96,427,486.51x = 133,067,668.12 × 56,737,587.96 - Step 4: Simplify right side
96,427,486.51x = 7,549,938,524,448,744 - Step 5: Solve for x
x = 7,549,938,524,448,744/96,427,486.51 - Step 6: Final answer
x = 78,296,539.69
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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.