Finding the Fourth Proportional to 219,965,193.60, 330,136,747.20 and 97,332,230.40
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Solution
The fourth proportional to 219,965,193.60, 330,136,747.20 and 97,332,230.40 is: 146,081,956.95
Step by Step Solution
- Step 1: Write the proportion equation
219,965,193.60 : 330,136,747.20 = 97,332,230.40 : x - Step 2: Convert to fraction form
219,965,193.60/330,136,747.20 = 97,332,230.40/x - Step 3: Cross multiply
219,965,193.60x = 330,136,747.20 × 97,332,230.40 - Step 4: Simplify right side
219,965,193.60x = 32,132,945,941,976,956 - Step 5: Solve for x
x = 32,132,945,941,976,956/219,965,193.60 - Step 6: Final answer
x = 146,081,956.95
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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.