Finding the Fourth Proportional to 132,886,729.80, 199,330,094.70 and 97,054,921.80
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Solution
The fourth proportional to 132,886,729.80, 199,330,094.70 and 97,054,921.80 is: 145,582,382.70
Step by Step Solution
- Step 1: Write the proportion equation
132,886,729.80 : 199,330,094.70 = 97,054,921.80 : x - Step 2: Convert to fraction form
132,886,729.80/199,330,094.70 = 97,054,921.80/x - Step 3: Cross multiply
132,886,729.80x = 199,330,094.70 × 97,054,921.80 - Step 4: Simplify right side
132,886,729.80x = 19,345,966,753,495,092 - Step 5: Solve for x
x = 19,345,966,753,495,092/132,886,729.80 - Step 6: Final answer
x = 145,582,382.70
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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.