Finding the Fourth Proportional to 132,121,971.60, 197,805,043.80 and 132,121,971.60
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Solution
The fourth proportional to 132,121,971.60, 197,805,043.80 and 132,121,971.60 is: 197,805,043.80
Step by Step Solution
- Step 1: Write the proportion equation
132,121,971.60 : 197,805,043.80 = 132,121,971.60 : x - Step 2: Convert to fraction form
132,121,971.60/197,805,043.80 = 132,121,971.60/x - Step 3: Cross multiply
132,121,971.60x = 197,805,043.80 × 132,121,971.60 - Step 4: Simplify right side
132,121,971.60x = 26,134,392,379,280,356 - Step 5: Solve for x
x = 26,134,392,379,280,356/132,121,971.60 - Step 6: Final answer
x = 197,805,043.80
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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.