Finding the Fourth Proportional to 135,087,272.66, 186,420,595.74 and 73,207,611.22
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Solution
The fourth proportional to 135,087,272.66, 186,420,595.74 and 73,207,611.22 is: 101,026,589.90
Step by Step Solution
- Step 1: Write the proportion equation
135,087,272.66 : 186,420,595.74 = 73,207,611.22 : x - Step 2: Convert to fraction form
135,087,272.66/186,420,595.74 = 73,207,611.22/x - Step 3: Cross multiply
135,087,272.66x = 186,420,595.74 × 73,207,611.22 - Step 4: Simplify right side
135,087,272.66x = 13,647,406,496,334,708 - Step 5: Solve for x
x = 13,647,406,496,334,708/135,087,272.66 - Step 6: Final answer
x = 101,026,589.90
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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.