Finding the Fourth Proportional to 135,353,976.66, 186,788,724.75 and 73,474,357.14
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Solution
The fourth proportional to 135,353,976.66, 186,788,724.75 and 73,474,357.14 is: 101,394,741.48
Step by Step Solution
- Step 1: Write the proportion equation
135,353,976.66 : 186,788,724.75 = 73,474,357.14 : x - Step 2: Convert to fraction form
135,353,976.66/186,788,724.75 = 73,474,357.14/x - Step 3: Cross multiply
135,353,976.66x = 186,788,724.75 × 73,474,357.14 - Step 4: Simplify right side
135,353,976.66x = 13,724,181,472,006,658 - Step 5: Solve for x
x = 13,724,181,472,006,658/135,353,976.66 - Step 6: Final answer
x = 101,394,741.48
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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.