Finding the Fourth Proportional to 138,124,738.87, 207,219,767.23 and 44,751,559.37
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Solution
The fourth proportional to 138,124,738.87, 207,219,767.23 and 44,751,559.37 is: 67,137,920.34
Step by Step Solution
- Step 1: Write the proportion equation
138,124,738.87 : 207,219,767.23 = 44,751,559.37 : x - Step 2: Convert to fraction form
138,124,738.87/207,219,767.23 = 44,751,559.37/x - Step 3: Cross multiply
138,124,738.87x = 207,219,767.23 × 44,751,559.37 - Step 4: Simplify right side
138,124,738.87x = 9,273,407,716,016,376 - Step 5: Solve for x
x = 9,273,407,716,016,376/138,124,738.87 - Step 6: Final answer
x = 67,137,920.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.