Finding the Fourth Proportional to 235,179,908.37, 324,531,426.63 and 129,340,776
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Solution
The fourth proportional to 235,179,908.37, 324,531,426.63 and 129,340,776 is: 178,481,005.66
Step by Step Solution
- Step 1: Write the proportion equation
235,179,908.37 : 324,531,426.63 = 129,340,776 : x - Step 2: Convert to fraction form
235,179,908.37/324,531,426.63 = 129,340,776/x - Step 3: Cross multiply
235,179,908.37x = 324,531,426.63 × 129,340,776 - Step 4: Simplify right side
235,179,908.37x = 41,975,146,556,711,264 - Step 5: Solve for x
x = 41,975,146,556,711,264/235,179,908.37 - Step 6: Final answer
x = 178,481,005.66
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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.