Finding the Fourth Proportional to 271,534,055.68, 374,709,811.62 and 147,772,075.60
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Solution
The fourth proportional to 271,534,055.68, 374,709,811.62 and 147,772,075.60 is: 203,921,554.05
Step by Step Solution
- Step 1: Write the proportion equation
271,534,055.68 : 374,709,811.62 = 147,772,075.60 : x - Step 2: Convert to fraction form
271,534,055.68/374,709,811.62 = 147,772,075.60/x - Step 3: Cross multiply
271,534,055.68x = 374,709,811.62 × 147,772,075.60 - Step 4: Simplify right side
271,534,055.68x = 55,371,646,610,772,400 - Step 5: Solve for x
x = 55,371,646,610,772,400/271,534,055.68 - Step 6: Final answer
x = 203,921,554.05
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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.