Finding the Fourth Proportional to 202,353,272, 279,285,345.60 and 115,433,144
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Solution
The fourth proportional to 202,353,272, 279,285,345.60 and 115,433,144 is: 159,319,319.12
Step by Step Solution
- Step 1: Write the proportion equation
202,353,272 : 279,285,345.60 = 115,433,144 : x - Step 2: Convert to fraction form
202,353,272/279,285,345.60 = 115,433,144/x - Step 3: Cross multiply
202,353,272x = 279,285,345.60 × 115,433,144 - Step 4: Simplify right side
202,353,272x = 32,238,785,515,734,568 - Step 5: Solve for x
x = 32,238,785,515,734,568/202,353,272 - Step 6: Final answer
x = 159,319,319.12
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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.