Finding the Fourth Proportional to 169,398,942.24, 253,986,905.28 and 111,715,330.08
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Solution
The fourth proportional to 169,398,942.24, 253,986,905.28 and 111,715,330.08 is: 167,499,457.70
Step by Step Solution
- Step 1: Write the proportion equation
169,398,942.24 : 253,986,905.28 = 111,715,330.08 : x - Step 2: Convert to fraction form
169,398,942.24/253,986,905.28 = 111,715,330.08/x - Step 3: Cross multiply
169,398,942.24x = 253,986,905.28 × 111,715,330.08 - Step 4: Simplify right side
169,398,942.24x = 28,374,230,959,352,896 - Step 5: Solve for x
x = 28,374,230,959,352,896/169,398,942.24 - Step 6: Final answer
x = 167,499,457.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.