Finding the Fourth Proportional to 51,594,920.42, 71,198,855.47 and 28,073,553.97
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Solution
The fourth proportional to 51,594,920.42, 71,198,855.47 and 28,073,553.97 is: 38,740,342.95
Step by Step Solution
- Step 1: Write the proportion equation
51,594,920.42 : 71,198,855.47 = 28,073,553.97 : x - Step 2: Convert to fraction form
51,594,920.42/71,198,855.47 = 28,073,553.97/x - Step 3: Cross multiply
51,594,920.42x = 71,198,855.47 × 28,073,553.97 - Step 4: Simplify right side
51,594,920.42x = 1,998,804,911,639,274.50 - Step 5: Solve for x
x = 1,998,804,911,639,274.50/51,594,920.42 - Step 6: Final answer
x = 38,740,342.95
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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.