Finding the Fourth Proportional to 112,330,848.60, 168,496,272.90 and 94,190,995.80
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Solution
The fourth proportional to 112,330,848.60, 168,496,272.90 and 94,190,995.80 is: 141,286,493.70
Step by Step Solution
- Step 1: Write the proportion equation
112,330,848.60 : 168,496,272.90 = 94,190,995.80 : x - Step 2: Convert to fraction form
112,330,848.60/168,496,272.90 = 94,190,995.80/x - Step 3: Cross multiply
112,330,848.60x = 168,496,272.90 × 94,190,995.80 - Step 4: Simplify right side
112,330,848.60x = 15,870,831,733,039,554 - Step 5: Solve for x
x = 15,870,831,733,039,554/112,330,848.60 - Step 6: Final answer
x = 141,286,493.70
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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.