Finding the Fourth Proportional to 234,202,171.11, 323,200,921.68 and 129,781,986.23
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Solution
The fourth proportional to 234,202,171.11, 323,200,921.68 and 129,781,986.23 is: 179,100,208.02
Step by Step Solution
- Step 1: Write the proportion equation
234,202,171.11 : 323,200,921.68 = 129,781,986.23 : x - Step 2: Convert to fraction form
234,202,171.11/323,200,921.68 = 129,781,986.23/x - Step 3: Cross multiply
234,202,171.11x = 323,200,921.68 × 129,781,986.23 - Step 4: Simplify right side
234,202,171.11x = 41,945,657,565,381,064 - Step 5: Solve for x
x = 41,945,657,565,381,064/234,202,171.11 - Step 6: Final answer
x = 179,100,208.02
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1.5x scale
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.