Finding the Fourth Proportional to 163,226,716,125.70, 225,253,548,621.92 and 89,981,337,740.23
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Solution
The fourth proportional to 163,226,716,125.70, 225,253,548,621.92 and 89,981,337,740.23 is: 124,174,621,145.50
Step by Step Solution
- Step 1: Write the proportion equation
163,226,716,125.70 : 225,253,548,621.92 = 89,981,337,740.23 : x - Step 2: Convert to fraction form
163,226,716,125.70/225,253,548,621.92 = 89,981,337,740.23/x - Step 3: Cross multiply
163,226,716,125.70x = 225,253,548,621.92 × 89,981,337,740.23 - Step 4: Simplify right side
163,226,716,125.70x = 20,268,615,635,733,181,366,272 - Step 5: Solve for x
x = 20,268,615,635,733,181,366,272/163,226,716,125.70 - Step 6: Final answer
x = 124,174,621,145.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.