Finding the Fourth Proportional to 135,328,575.42, 186,755,225.67 and 73,449,655.74
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Solution
The fourth proportional to 135,328,575.42, 186,755,225.67 and 73,449,655.74 is: 101,361,497.31
Step by Step Solution
- Step 1: Write the proportion equation
135,328,575.42 : 186,755,225.67 = 73,449,655.74 : x - Step 2: Convert to fraction form
135,328,575.42/186,755,225.67 = 73,449,655.74/x - Step 3: Cross multiply
135,328,575.42x = 186,755,225.67 × 73,449,655.74 - Step 4: Simplify right side
135,328,575.42x = 13,717,107,033,107,508 - Step 5: Solve for x
x = 13,717,107,033,107,508/135,328,575.42 - Step 6: Final answer
x = 101,361,497.31
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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.