Finding the Fourth Proportional to 137,881,107.50, 190,270,202.85 and 75,155,826.11
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Solution
The fourth proportional to 137,881,107.50, 190,270,202.85 and 75,155,826.11 is: 103,711,919.19
Step by Step Solution
- Step 1: Write the proportion equation
137,881,107.50 : 190,270,202.85 = 75,155,826.11 : x - Step 2: Convert to fraction form
137,881,107.50/190,270,202.85 = 75,155,826.11/x - Step 3: Cross multiply
137,881,107.50x = 190,270,202.85 × 75,155,826.11 - Step 4: Simplify right side
137,881,107.50x = 14,299,914,278,357,676 - Step 5: Solve for x
x = 14,299,914,278,357,676/137,881,107.50 - Step 6: Final answer
x = 103,711,919.19
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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.