Finding the Fourth Proportional to 168,653,765.22, 232,737,824.46 and 93,302,876.94
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Solution
The fourth proportional to 168,653,765.22, 232,737,824.46 and 93,302,876.94 is: 128,755,551.75
Step by Step Solution
- Step 1: Write the proportion equation
168,653,765.22 : 232,737,824.46 = 93,302,876.94 : x - Step 2: Convert to fraction form
168,653,765.22/232,737,824.46 = 93,302,876.94/x - Step 3: Cross multiply
168,653,765.22x = 232,737,824.46 × 93,302,876.94 - Step 4: Simplify right side
168,653,765.22x = 21,715,108,594,874,704 - Step 5: Solve for x
x = 21,715,108,594,874,704/168,653,765.22 - Step 6: Final answer
x = 128,755,551.75
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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.