Finding the Fourth Proportional to 339,269,020.70, 508,903,531.05 and 121,165,634.30
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Solution
The fourth proportional to 339,269,020.70, 508,903,531.05 and 121,165,634.30 is: 181,748,451.45
Step by Step Solution
- Step 1: Write the proportion equation
339,269,020.70 : 508,903,531.05 = 121,165,634.30 : x - Step 2: Convert to fraction form
339,269,020.70/508,903,531.05 = 121,165,634.30/x - Step 3: Cross multiply
339,269,020.70x = 508,903,531.05 × 121,165,634.30 - Step 4: Simplify right side
339,269,020.70x = 61,661,619,137,182,992 - Step 5: Solve for x
x = 61,661,619,137,182,992/339,269,020.70 - Step 6: Final answer
x = 181,748,451.45
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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.