Finding the Fourth Proportional to 178,836,149.08, 268,358,324.82 and 75,197,854.36
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Solution
The fourth proportional to 178,836,149.08, 268,358,324.82 and 75,197,854.36 is: 112,840,554.50
Step by Step Solution
- Step 1: Write the proportion equation
178,836,149.08 : 268,358,324.82 = 75,197,854.36 : x - Step 2: Convert to fraction form
178,836,149.08/268,358,324.82 = 75,197,854.36/x - Step 3: Cross multiply
178,836,149.08x = 268,358,324.82 × 75,197,854.36 - Step 4: Simplify right side
178,836,149.08x = 20,179,970,226,107,932 - Step 5: Solve for x
x = 20,179,970,226,107,932/178,836,149.08 - Step 6: Final answer
x = 112,840,554.50
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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.