Finding the Fourth Proportional to 116,492,833.44, 160,763,526.69 and 63,572,957.97
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Solution
The fourth proportional to 116,492,833.44, 160,763,526.69 and 63,572,957.97 is: 87,732,546.49
Step by Step Solution
- Step 1: Write the proportion equation
116,492,833.44 : 160,763,526.69 = 63,572,957.97 : x - Step 2: Convert to fraction form
116,492,833.44/160,763,526.69 = 63,572,957.97/x - Step 3: Cross multiply
116,492,833.44x = 160,763,526.69 × 63,572,957.97 - Step 4: Simplify right side
116,492,833.44x = 10,220,212,925,372,342 - Step 5: Solve for x
x = 10,220,212,925,372,342/116,492,833.44 - Step 6: Final answer
x = 87,732,546.49
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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.