Finding the Fourth Proportional to 234,847,672.58, 324,070,492.76 and 128,995,617.48
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Solution
The fourth proportional to 234,847,672.58, 324,070,492.76 and 128,995,617.48 is: 178,003,353.67
Step by Step Solution
- Step 1: Write the proportion equation
234,847,672.58 : 324,070,492.76 = 128,995,617.48 : x - Step 2: Convert to fraction form
234,847,672.58/324,070,492.76 = 128,995,617.48/x - Step 3: Cross multiply
234,847,672.58x = 324,070,492.76 × 128,995,617.48 - Step 4: Simplify right side
234,847,672.58x = 41,803,673,320,624,072 - Step 5: Solve for x
x = 41,803,673,320,624,072/234,847,672.58 - Step 6: Final answer
x = 178,003,353.67
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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.