Finding the Fourth Proportional to 132,279,268.84, 182,549,346.18 and 72,737,472.04
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Solution
The fourth proportional to 132,279,268.84, 182,549,346.18 and 72,737,472.04 is: 100,379,886.28
Step by Step Solution
- Step 1: Write the proportion equation
132,279,268.84 : 182,549,346.18 = 72,737,472.04 : x - Step 2: Convert to fraction form
132,279,268.84/182,549,346.18 = 72,737,472.04/x - Step 3: Cross multiply
132,279,268.84x = 182,549,346.18 × 72,737,472.04 - Step 4: Simplify right side
132,279,268.84x = 13,278,177,963,688,032 - Step 5: Solve for x
x = 13,278,177,963,688,032/132,279,268.84 - Step 6: Final answer
x = 100,379,886.28
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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.