Finding the Fourth Proportional to 174,343,546.47, 240,611,099.90 and 130,213,965.63
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Solution
The fourth proportional to 174,343,546.47, 240,611,099.90 and 130,213,965.63 is: 179,707,973.86
Step by Step Solution
- Step 1: Write the proportion equation
174,343,546.47 : 240,611,099.90 = 130,213,965.63 : x - Step 2: Convert to fraction form
174,343,546.47/240,611,099.90 = 130,213,965.63/x - Step 3: Cross multiply
174,343,546.47x = 240,611,099.90 × 130,213,965.63 - Step 4: Simplify right side
174,343,546.47x = 31,330,925,491,924,028 - Step 5: Solve for x
x = 31,330,925,491,924,028/174,343,546.47 - Step 6: Final answer
x = 179,707,973.86
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1.5x scale
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.