Finding the Fourth Proportional to 272,316,880.05, 375,745,898.19 and 162,318,828.21
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Solution
The fourth proportional to 272,316,880.05, 375,745,898.19 and 162,318,828.21 is: 223,969,347.36
Step by Step Solution
- Step 1: Write the proportion equation
272,316,880.05 : 375,745,898.19 = 162,318,828.21 : x - Step 2: Convert to fraction form
272,316,880.05/375,745,898.19 = 162,318,828.21/x - Step 3: Cross multiply
272,316,880.05x = 375,745,898.19 × 162,318,828.21 - Step 4: Simplify right side
272,316,880.05x = 60,990,633,898,914,760 - Step 5: Solve for x
x = 60,990,633,898,914,760/272,316,880.05 - Step 6: Final answer
x = 223,969,347.36
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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.