Finding the Fourth Proportional to 48,403,946.80, 67,815,914 and 48,403,946.80
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Solution
The fourth proportional to 48,403,946.80, 67,815,914 and 48,403,946.80 is: 67,815,914
Step by Step Solution
- Step 1: Write the proportion equation
48,403,946.80 : 67,815,914 = 48,403,946.80 : x - Step 2: Convert to fraction form
48,403,946.80/67,815,914 = 48,403,946.80/x - Step 3: Cross multiply
48,403,946.80x = 67,815,914 × 48,403,946.80 - Step 4: Simplify right side
48,403,946.80x = 3,282,557,893,449,375 - Step 5: Solve for x
x = 3,282,557,893,449,375/48,403,946.80 - Step 6: Final answer
x = 67,815,914
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.