Finding the Fourth Proportional to 253,027,326.63, 379,592,755.67 and 87,009,270.06
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Solution
The fourth proportional to 253,027,326.63, 379,592,755.67 and 87,009,270.06 is: 130,531,705.92
Step by Step Solution
- Step 1: Write the proportion equation
253,027,326.63 : 379,592,755.67 = 87,009,270.06 : x - Step 2: Convert to fraction form
253,027,326.63/379,592,755.67 = 87,009,270.06/x - Step 3: Cross multiply
253,027,326.63x = 379,592,755.67 × 87,009,270.06 - Step 4: Simplify right side
253,027,326.63x = 33,028,088,590,475,584 - Step 5: Solve for x
x = 33,028,088,590,475,584/253,027,326.63 - Step 6: Final answer
x = 130,531,705.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.