Finding the Fourth Proportional to 115,307,316.54, 158,979,755.74 and 96,239,254.92
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Solution
The fourth proportional to 115,307,316.54, 158,979,755.74 and 96,239,254.92 is: 132,689,700.00
Step by Step Solution
- Step 1: Write the proportion equation
115,307,316.54 : 158,979,755.74 = 96,239,254.92 : x - Step 2: Convert to fraction form
115,307,316.54/158,979,755.74 = 96,239,254.92/x - Step 3: Cross multiply
115,307,316.54x = 158,979,755.74 × 96,239,254.92 - Step 4: Simplify right side
115,307,316.54x = 15,300,093,240,018,648 - Step 5: Solve for x
x = 15,300,093,240,018,648/115,307,316.54 - Step 6: Final answer
x = 132,689,700.00
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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.