Finding the Fourth Proportional to 234,070,502.36, 323,017,287.39 and 129,655,299.74
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Solution
The fourth proportional to 234,070,502.36, 323,017,287.39 and 129,655,299.74 is: 178,924,310.39
Step by Step Solution
- Step 1: Write the proportion equation
234,070,502.36 : 323,017,287.39 = 129,655,299.74 : x - Step 2: Convert to fraction form
234,070,502.36/323,017,287.39 = 129,655,299.74/x - Step 3: Cross multiply
234,070,502.36x = 323,017,287.39 × 129,655,299.74 - Step 4: Simplify right side
234,070,502.36x = 41,880,903,216,137,080 - Step 5: Solve for x
x = 41,880,903,216,137,080/234,070,502.36 - Step 6: Final answer
x = 178,924,310.39
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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.