Finding the Fourth Proportional to 107,125,066.11, 147,683,153.31 and 71,849,175.05
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Solution
The fourth proportional to 107,125,066.11, 147,683,153.31 and 71,849,175.05 is: 99,051,633.01
Step by Step Solution
- Step 1: Write the proportion equation
107,125,066.11 : 147,683,153.31 = 71,849,175.05 : x - Step 2: Convert to fraction form
107,125,066.11/147,683,153.31 = 71,849,175.05/x - Step 3: Cross multiply
107,125,066.11x = 147,683,153.31 × 71,849,175.05 - Step 4: Simplify right side
107,125,066.11x = 10,610,912,734,205,950 - Step 5: Solve for x
x = 10,610,912,734,205,950/107,125,066.11 - Step 6: Final answer
x = 99,051,633.01
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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.