Finding the Fourth Proportional to 76,801,888.24, 115,202,943.23 and 31,363,682.74
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Solution
The fourth proportional to 76,801,888.24, 115,202,943.23 and 31,363,682.74 is: 47,045,569.38
Step by Step Solution
- Step 1: Write the proportion equation
76,801,888.24 : 115,202,943.23 = 31,363,682.74 : x - Step 2: Convert to fraction form
76,801,888.24/115,202,943.23 = 31,363,682.74/x - Step 3: Cross multiply
76,801,888.24x = 115,202,943.23 × 31,363,682.74 - Step 4: Simplify right side
76,801,888.24x = 3,613,188,561,603,936 - Step 5: Solve for x
x = 3,613,188,561,603,936/76,801,888.24 - Step 6: Final answer
x = 47,045,569.38
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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.