Finding the Fourth Proportional to 81,907,617.61, 113,031,768.15 and 44,737,890.14
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Solution
The fourth proportional to 81,907,617.61, 113,031,768.15 and 44,737,890.14 is: 61,737,881.94
Step by Step Solution
- Step 1: Write the proportion equation
81,907,617.61 : 113,031,768.15 = 44,737,890.14 : x - Step 2: Convert to fraction form
81,907,617.61/113,031,768.15 = 44,737,890.14/x - Step 3: Cross multiply
81,907,617.61x = 113,031,768.15 × 44,737,890.14 - Step 4: Simplify right side
81,907,617.61x = 5,056,802,825,824,651 - Step 5: Solve for x
x = 5,056,802,825,824,651/81,907,617.61 - Step 6: Final answer
x = 61,737,881.94
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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.