Finding the Fourth Proportional to 217,118,480.37, 299,625,817.05 and 117,999,232.96
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Solution
The fourth proportional to 217,118,480.37, 299,625,817.05 and 117,999,232.96 is: 162,840,199.17
Step by Step Solution
- Step 1: Write the proportion equation
217,118,480.37 : 299,625,817.05 = 117,999,232.96 : x - Step 2: Convert to fraction form
217,118,480.37/299,625,817.05 = 117,999,232.96/x - Step 3: Cross multiply
217,118,480.37x = 299,625,817.05 × 117,999,232.96 - Step 4: Simplify right side
217,118,480.37x = 35,355,616,587,899,236 - Step 5: Solve for x
x = 35,355,616,587,899,236/217,118,480.37 - Step 6: Final answer
x = 162,840,199.17
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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.