Finding the Fourth Proportional to 181,445,834.80, 272,168,752.20 and 66,434,129.20
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Solution
The fourth proportional to 181,445,834.80, 272,168,752.20 and 66,434,129.20 is: 99,651,193.80
Step by Step Solution
- Step 1: Write the proportion equation
181,445,834.80 : 272,168,752.20 = 66,434,129.20 : x - Step 2: Convert to fraction form
181,445,834.80/272,168,752.20 = 66,434,129.20/x - Step 3: Cross multiply
181,445,834.80x = 272,168,752.20 × 66,434,129.20 - Step 4: Simplify right side
181,445,834.80x = 18,081,294,047,857,584 - Step 5: Solve for x
x = 18,081,294,047,857,584/181,445,834.80 - Step 6: Final answer
x = 99,651,193.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.