Finding the Fourth Proportional to 158,476,863.60, 237,715,295.40 and 144,446,821.20
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Solution
The fourth proportional to 158,476,863.60, 237,715,295.40 and 144,446,821.20 is: 216,670,231.80
Step by Step Solution
- Step 1: Write the proportion equation
158,476,863.60 : 237,715,295.40 = 144,446,821.20 : x - Step 2: Convert to fraction form
158,476,863.60/237,715,295.40 = 144,446,821.20/x - Step 3: Cross multiply
158,476,863.60x = 237,715,295.40 × 144,446,821.20 - Step 4: Simplify right side
158,476,863.60x = 34,337,218,771,148,980 - Step 5: Solve for x
x = 34,337,218,771,148,980/158,476,863.60 - Step 6: Final answer
x = 216,670,231.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.