Finding the Fourth Proportional to 75,042,099.13, 103,622,726.78 and 47,211,198.16
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Solution
The fourth proportional to 75,042,099.13, 103,622,726.78 and 47,211,198.16 is: 65,192,114.09
Step by Step Solution
- Step 1: Write the proportion equation
75,042,099.13 : 103,622,726.78 = 47,211,198.16 : x - Step 2: Convert to fraction form
75,042,099.13/103,622,726.78 = 47,211,198.16/x - Step 3: Cross multiply
75,042,099.13x = 103,622,726.78 × 47,211,198.16 - Step 4: Simplify right side
75,042,099.13x = 4,892,153,087,890,118 - Step 5: Solve for x
x = 4,892,153,087,890,118/75,042,099.13 - Step 6: Final answer
x = 65,192,114.09
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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.