Finding the Fourth Proportional to 213,873,425.04, 295,137,690.06 and 121,051,939.98
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Solution
The fourth proportional to 213,873,425.04, 295,137,690.06 and 121,051,939.98 is: 167,047,354.93
Step by Step Solution
- Step 1: Write the proportion equation
213,873,425.04 : 295,137,690.06 = 121,051,939.98 : x - Step 2: Convert to fraction form
213,873,425.04/295,137,690.06 = 121,051,939.98/x - Step 3: Cross multiply
213,873,425.04x = 295,137,690.06 × 121,051,939.98 - Step 4: Simplify right side
213,873,425.04x = 35,726,989,941,503,272 - Step 5: Solve for x
x = 35,726,989,941,503,272/213,873,425.04 - Step 6: Final answer
x = 167,047,354.93
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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.