Finding the Fourth Proportional to 174,343,561.48, 240,611,120.58 and 130,213,980.68
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Solution
The fourth proportional to 174,343,561.48, 240,611,120.58 and 130,213,980.68 is: 179,707,994.61
Step by Step Solution
- Step 1: Write the proportion equation
174,343,561.48 : 240,611,120.58 = 130,213,980.68 : x - Step 2: Convert to fraction form
174,343,561.48/240,611,120.58 = 130,213,980.68/x - Step 3: Cross multiply
174,343,561.48x = 240,611,120.58 × 130,213,980.68 - Step 4: Simplify right side
174,343,561.48x = 31,330,931,806,597,272 - Step 5: Solve for x
x = 31,330,931,806,597,272/174,343,561.48 - Step 6: Final answer
x = 179,707,994.61
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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.