Finding the Fourth Proportional to 167,734,368.96, 231,435,133.92 and 94,368,742.08
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Solution
The fourth proportional to 167,734,368.96, 231,435,133.92 and 94,368,742.08 is: 130,207,318.85
Step by Step Solution
- Step 1: Write the proportion equation
167,734,368.96 : 231,435,133.92 = 94,368,742.08 : x - Step 2: Convert to fraction form
167,734,368.96/231,435,133.92 = 94,368,742.08/x - Step 3: Cross multiply
167,734,368.96x = 231,435,133.92 × 94,368,742.08 - Step 4: Simplify right side
167,734,368.96x = 21,840,242,461,146,736 - Step 5: Solve for x
x = 21,840,242,461,146,736/167,734,368.96 - Step 6: Final answer
x = 130,207,318.85
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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.