Finding the Fourth Proportional to 71,964,402.42, 107,946,519.75 and 23,442,177.90
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Solution
The fourth proportional to 71,964,402.42, 107,946,519.75 and 23,442,177.90 is: 35,163,239.53
Step by Step Solution
- Step 1: Write the proportion equation
71,964,402.42 : 107,946,519.75 = 23,442,177.90 : x - Step 2: Convert to fraction form
71,964,402.42/107,946,519.75 = 23,442,177.90/x - Step 3: Cross multiply
71,964,402.42x = 107,946,519.75 × 23,442,177.90 - Step 4: Simplify right side
71,964,402.42x = 2,530,501,519,665,363.50 - Step 5: Solve for x
x = 2,530,501,519,665,363.50/71,964,402.42 - Step 6: Final answer
x = 35,163,239.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.