Finding the Fourth Proportional to 197,569,629.26, 272,645,875.39 and 108,263,751.03
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Solution
The fourth proportional to 197,569,629.26, 272,645,875.39 and 108,263,751.03 is: 149,403,859.71
Step by Step Solution
- Step 1: Write the proportion equation
197,569,629.26 : 272,645,875.39 = 108,263,751.03 : x - Step 2: Convert to fraction form
197,569,629.26/272,645,875.39 = 108,263,751.03/x - Step 3: Cross multiply
197,569,629.26x = 272,645,875.39 × 108,263,751.03 - Step 4: Simplify right side
197,569,629.26x = 29,517,665,172,038,044 - Step 5: Solve for x
x = 29,517,665,172,038,044/197,569,629.26 - Step 6: Final answer
x = 149,403,859.71
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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.