Finding the Fourth Proportional to 88,488,079.14, 122,107,313.62 and 49,328,123.70
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Solution
The fourth proportional to 88,488,079.14, 122,107,313.62 and 49,328,123.70 is: 68,069,334.64
Step by Step Solution
- Step 1: Write the proportion equation
88,488,079.14 : 122,107,313.62 = 49,328,123.70 : x - Step 2: Convert to fraction form
88,488,079.14/122,107,313.62 = 49,328,123.70/x - Step 3: Cross multiply
88,488,079.14x = 122,107,313.62 × 49,328,123.70 - Step 4: Simplify right side
88,488,079.14x = 6,023,324,670,922,055 - Step 5: Solve for x
x = 6,023,324,670,922,055/88,488,079.14 - Step 6: Final answer
x = 68,069,334.64
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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.