Finding the Fourth Proportional to 236,347,388.32, 326,213,815.98 and 138,593,737.12
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Solution
The fourth proportional to 236,347,388.32, 326,213,815.98 and 138,593,737.12 is: 191,291,269.09
Step by Step Solution
- Step 1: Write the proportion equation
236,347,388.32 : 326,213,815.98 = 138,593,737.12 : x - Step 2: Convert to fraction form
236,347,388.32/326,213,815.98 = 138,593,737.12/x - Step 3: Cross multiply
236,347,388.32x = 326,213,815.98 × 138,593,737.12 - Step 4: Simplify right side
236,347,388.32x = 45,211,191,856,844,176 - Step 5: Solve for x
x = 45,211,191,856,844,176/236,347,388.32 - Step 6: Final answer
x = 191,291,269.09
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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.