Finding the Fourth Proportional to 50,903,545.75, 70,246,302.64 and 27,698,272.90
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Solution
The fourth proportional to 50,903,545.75, 70,246,302.64 and 27,698,272.90 is: 38,223,295.29
Step by Step Solution
- Step 1: Write the proportion equation
50,903,545.75 : 70,246,302.64 = 27,698,272.90 : x - Step 2: Convert to fraction form
50,903,545.75/70,246,302.64 = 27,698,272.90/x - Step 3: Cross multiply
50,903,545.75x = 70,246,302.64 × 27,698,272.90 - Step 4: Simplify right side
50,903,545.75x = 1,945,701,260,738,710.25 - Step 5: Solve for x
x = 1,945,701,260,738,710.25/50,903,545.75 - Step 6: Final answer
x = 38,223,295.29
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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.