Finding the Fourth Proportional to 135,328,598.31, 186,755,257.25 and 73,449,678.63
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Solution
The fourth proportional to 135,328,598.31, 186,755,257.25 and 73,449,678.63 is: 101,361,528.89
Step by Step Solution
- Step 1: Write the proportion equation
135,328,598.31 : 186,755,257.25 = 73,449,678.63 : x - Step 2: Convert to fraction form
135,328,598.31/186,755,257.25 = 73,449,678.63/x - Step 3: Cross multiply
135,328,598.31x = 186,755,257.25 × 73,449,678.63 - Step 4: Simplify right side
135,328,598.31x = 13,717,113,627,108,228 - Step 5: Solve for x
x = 13,717,113,627,108,228/135,328,598.31 - Step 6: Final answer
x = 101,361,528.89
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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.