Finding the Fourth Proportional to 125,490,701.79, 173,173,400.42 and 69,735,936.15
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Solution
The fourth proportional to 125,490,701.79, 173,173,400.42 and 69,735,936.15 is: 96,233,497.96
Step by Step Solution
- Step 1: Write the proportion equation
125,490,701.79 : 173,173,400.42 = 69,735,936.15 : x - Step 2: Convert to fraction form
125,490,701.79/173,173,400.42 = 69,735,936.15/x - Step 3: Cross multiply
125,490,701.79x = 173,173,400.42 × 69,735,936.15 - Step 4: Simplify right side
125,490,701.79x = 12,076,409,194,218,824 - Step 5: Solve for x
x = 12,076,409,194,218,824/125,490,701.79 - Step 6: Final answer
x = 96,233,497.96
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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.