Finding the Fourth Proportional to 159,786,363.14, 220,657,466.42 and 151,081,224.49
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Solution
The fourth proportional to 159,786,363.14, 220,657,466.42 and 151,081,224.49 is: 208,636,078.60
Step by Step Solution
- Step 1: Write the proportion equation
159,786,363.14 : 220,657,466.42 = 151,081,224.49 : x - Step 2: Convert to fraction form
159,786,363.14/220,657,466.42 = 151,081,224.49/x - Step 3: Cross multiply
159,786,363.14x = 220,657,466.42 × 151,081,224.49 - Step 4: Simplify right side
159,786,363.14x = 33,337,200,219,594,656 - Step 5: Solve for x
x = 33,337,200,219,594,656/159,786,363.14 - Step 6: Final answer
x = 208,636,078.60
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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.