Finding the Fourth Proportional to 135,260,014.39, 186,659,181.62 and 73,380,352.96
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Solution
The fourth proportional to 135,260,014.39, 186,659,181.62 and 73,380,352.96 is: 101,265,083.35
Step by Step Solution
- Step 1: Write the proportion equation
135,260,014.39 : 186,659,181.62 = 73,380,352.96 : x - Step 2: Convert to fraction form
135,260,014.39/186,659,181.62 = 73,380,352.96/x - Step 3: Cross multiply
135,260,014.39x = 186,659,181.62 × 73,380,352.96 - Step 4: Simplify right side
135,260,014.39x = 13,697,116,630,500,344 - Step 5: Solve for x
x = 13,697,116,630,500,344/135,260,014.39 - Step 6: Final answer
x = 101,265,083.35
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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.