Finding the Fourth Proportional to 234,070,508.37, 323,017,295.67 and 129,655,305.75
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Solution
The fourth proportional to 234,070,508.37, 323,017,295.67 and 129,655,305.75 is: 178,924,318.68
Step by Step Solution
- Step 1: Write the proportion equation
234,070,508.37 : 323,017,295.67 = 129,655,305.75 : x - Step 2: Convert to fraction form
234,070,508.37/323,017,295.67 = 129,655,305.75/x - Step 3: Cross multiply
234,070,508.37x = 323,017,295.67 × 129,655,305.75 - Step 4: Simplify right side
234,070,508.37x = 41,880,906,232,632,000 - Step 5: Solve for x
x = 41,880,906,232,632,000/234,070,508.37 - Step 6: Final answer
x = 178,924,318.68
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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.