Finding the Fourth Proportional to 62,053,834.74, 85,640,340.64 and 46,345,587.99
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Solution
The fourth proportional to 62,053,834.74, 85,640,340.64 and 46,345,587.99 is: 63,961,428.95
Step by Step Solution
- Step 1: Write the proportion equation
62,053,834.74 : 85,640,340.64 = 46,345,587.99 : x - Step 2: Convert to fraction form
62,053,834.74/85,640,340.64 = 46,345,587.99/x - Step 3: Cross multiply
62,053,834.74x = 85,640,340.64 × 46,345,587.99 - Step 4: Simplify right side
62,053,834.74x = 3,969,051,942,100,780 - Step 5: Solve for x
x = 3,969,051,942,100,780/62,053,834.74 - Step 6: Final answer
x = 63,961,428.95
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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.