Finding the Fourth Proportional to 74,331,863.30, 102,580,880.56 and 50,859,630.66
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Solution
The fourth proportional to 74,331,863.30, 102,580,880.56 and 50,859,630.66 is: 70,188,280.86
Step by Step Solution
- Step 1: Write the proportion equation
74,331,863.30 : 102,580,880.56 = 50,859,630.66 : x - Step 2: Convert to fraction form
74,331,863.30/102,580,880.56 = 50,859,630.66/x - Step 3: Cross multiply
74,331,863.30x = 102,580,880.56 × 50,859,630.66 - Step 4: Simplify right side
74,331,863.30x = 5,217,225,698,059,174 - Step 5: Solve for x
x = 5,217,225,698,059,174/74,331,863.30 - Step 6: Final answer
x = 70,188,280.86
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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.