Finding the Fourth Proportional to 197,569,627.35, 272,645,872.76 and 108,263,749.12
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Solution
The fourth proportional to 197,569,627.35, 272,645,872.76 and 108,263,749.12 is: 149,403,857.07
Step by Step Solution
- Step 1: Write the proportion equation
197,569,627.35 : 272,645,872.76 = 108,263,749.12 : x - Step 2: Convert to fraction form
197,569,627.35/272,645,872.76 = 108,263,749.12/x - Step 3: Cross multiply
197,569,627.35x = 272,645,872.76 × 108,263,749.12 - Step 4: Simplify right side
197,569,627.35x = 29,517,664,367,606,592 - Step 5: Solve for x
x = 29,517,664,367,606,592/197,569,627.35 - Step 6: Final answer
x = 149,403,857.07
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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.