Finding the Fourth Proportional to 252,112,654.08, 347,915,463.30 and 136,219,150.08
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Solution
The fourth proportional to 252,112,654.08, 347,915,463.30 and 136,219,150.08 is: 187,982,427.47
Step by Step Solution
- Step 1: Write the proportion equation
252,112,654.08 : 347,915,463.30 = 136,219,150.08 : x - Step 2: Convert to fraction form
252,112,654.08/347,915,463.30 = 136,219,150.08/x - Step 3: Cross multiply
252,112,654.08x = 347,915,463.30 × 136,219,150.08 - Step 4: Simplify right side
252,112,654.08x = 47,392,748,710,415,440 - Step 5: Solve for x
x = 47,392,748,710,415,440/252,112,654.08 - Step 6: Final answer
x = 187,982,427.47
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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.