Finding the Fourth Proportional to 88,488,075.63, 122,107,308.80 and 49,328,120.19
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Solution
The fourth proportional to 88,488,075.63, 122,107,308.80 and 49,328,120.19 is: 68,069,329.81
Step by Step Solution
- Step 1: Write the proportion equation
88,488,075.63 : 122,107,308.80 = 49,328,120.19 : x - Step 2: Convert to fraction form
88,488,075.63/122,107,308.80 = 49,328,120.19/x - Step 3: Cross multiply
88,488,075.63x = 122,107,308.80 × 49,328,120.19 - Step 4: Simplify right side
88,488,075.63x = 6,023,324,004,317,204 - Step 5: Solve for x
x = 6,023,324,004,317,204/88,488,075.63 - Step 6: Final answer
x = 68,069,329.81
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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.