Finding the Fourth Proportional to 112,173,674.70, 168,260,512.05 and 93,026,052.30
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Solution
The fourth proportional to 112,173,674.70, 168,260,512.05 and 93,026,052.30 is: 139,539,078.45
Step by Step Solution
- Step 1: Write the proportion equation
112,173,674.70 : 168,260,512.05 = 93,026,052.30 : x - Step 2: Convert to fraction form
112,173,674.70/168,260,512.05 = 93,026,052.30/x - Step 3: Cross multiply
112,173,674.70x = 168,260,512.05 × 93,026,052.30 - Step 4: Simplify right side
112,173,674.70x = 15,652,611,193,988,080 - Step 5: Solve for x
x = 15,652,611,193,988,080/112,173,674.70 - Step 6: Final answer
x = 139,539,078.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.