Finding the Fourth Proportional to 147,724,473.24, 203,885,087.40 and 85,880,684.07
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Solution
The fourth proportional to 147,724,473.24, 203,885,087.40 and 85,880,684.07 is: 118,530,060.68
Step by Step Solution
- Step 1: Write the proportion equation
147,724,473.24 : 203,885,087.40 = 85,880,684.07 : x - Step 2: Convert to fraction form
147,724,473.24/203,885,087.40 = 85,880,684.07/x - Step 3: Cross multiply
147,724,473.24x = 203,885,087.40 × 85,880,684.07 - Step 4: Simplify right side
147,724,473.24x = 17,509,790,777,583,736 - Step 5: Solve for x
x = 17,509,790,777,583,736/147,724,473.24 - Step 6: Final answer
x = 118,530,060.68
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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.