Finding the Fourth Proportional to 339,269,200.20, 508,903,800.30 and 121,165,813.80
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Solution
The fourth proportional to 339,269,200.20, 508,903,800.30 and 121,165,813.80 is: 181,748,720.70
Step by Step Solution
- Step 1: Write the proportion equation
339,269,200.20 : 508,903,800.30 = 121,165,813.80 : x - Step 2: Convert to fraction form
339,269,200.20/508,903,800.30 = 121,165,813.80/x - Step 3: Cross multiply
339,269,200.20x = 508,903,800.30 × 121,165,813.80 - Step 4: Simplify right side
339,269,200.20x = 61,661,743,109,262,184 - Step 5: Solve for x
x = 61,661,743,109,262,184/339,269,200.20 - Step 6: Final answer
x = 181,748,720.70
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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.