Finding the Fourth Proportional to 230,485,120.42, 317,868,452.54 and 163,371,331.02
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Solution
The fourth proportional to 230,485,120.42, 317,868,452.54 and 163,371,331.02 is: 225,309,955.31
Step by Step Solution
- Step 1: Write the proportion equation
230,485,120.42 : 317,868,452.54 = 163,371,331.02 : x - Step 2: Convert to fraction form
230,485,120.42/317,868,452.54 = 163,371,331.02/x - Step 3: Cross multiply
230,485,120.42x = 317,868,452.54 × 163,371,331.02 - Step 4: Simplify right side
230,485,120.42x = 51,930,592,180,845,472 - Step 5: Solve for x
x = 51,930,592,180,845,472/230,485,120.42 - Step 6: Final answer
x = 225,309,955.31
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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.