Finding the Fourth Proportional to 46,378,974.60, 69,568,461.90 and 29,358,865.80
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Solution
The fourth proportional to 46,378,974.60, 69,568,461.90 and 29,358,865.80 is: 44,038,298.70
Step by Step Solution
- Step 1: Write the proportion equation
46,378,974.60 : 69,568,461.90 = 29,358,865.80 : x - Step 2: Convert to fraction form
46,378,974.60/69,568,461.90 = 29,358,865.80/x - Step 3: Cross multiply
46,378,974.60x = 69,568,461.90 × 29,358,865.80 - Step 4: Simplify right side
46,378,974.60x = 2,042,451,136,834,513.25 - Step 5: Solve for x
x = 2,042,451,136,834,513.25/46,378,974.60 - Step 6: Final answer
x = 44,038,298.70
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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.