Finding the Fourth Proportional to 195,689,450.98, 270,044,558.70 and 107,582,809.78
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Solution
The fourth proportional to 195,689,450.98, 270,044,558.70 and 107,582,809.78 is: 148,460,493.12
Step by Step Solution
- Step 1: Write the proportion equation
195,689,450.98 : 270,044,558.70 = 107,582,809.78 : x - Step 2: Convert to fraction form
195,689,450.98/270,044,558.70 = 107,582,809.78/x - Step 3: Cross multiply
195,689,450.98x = 270,044,558.70 × 107,582,809.78 - Step 4: Simplify right side
195,689,450.98x = 29,052,152,390,746,144 - Step 5: Solve for x
x = 29,052,152,390,746,144/195,689,450.98 - Step 6: Final answer
x = 148,460,493.12
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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.