Finding the Fourth Proportional to 51,272,703.24, 70,756,324.77 and 27,751,235.95
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Solution
The fourth proportional to 51,272,703.24, 70,756,324.77 and 27,751,235.95 is: 38,296,702.53
Step by Step Solution
- Step 1: Write the proportion equation
51,272,703.24 : 70,756,324.77 = 27,751,235.95 : x - Step 2: Convert to fraction form
51,272,703.24/70,756,324.77 = 27,751,235.95/x - Step 3: Cross multiply
51,272,703.24x = 70,756,324.77 × 27,751,235.95 - Step 4: Simplify right side
51,272,703.24x = 1,963,575,463,647,099.25 - Step 5: Solve for x
x = 1,963,575,463,647,099.25/51,272,703.24 - Step 6: Final answer
x = 38,296,702.53
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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.