Finding the Fourth Proportional to 96,228,082.80, 144,342,124.20 and 31,516,283.70
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Solution
The fourth proportional to 96,228,082.80, 144,342,124.20 and 31,516,283.70 is: 47,274,425.55
Step by Step Solution
- Step 1: Write the proportion equation
96,228,082.80 : 144,342,124.20 = 31,516,283.70 : x - Step 2: Convert to fraction form
96,228,082.80/144,342,124.20 = 31,516,283.70/x - Step 3: Cross multiply
96,228,082.80x = 144,342,124.20 × 31,516,283.70 - Step 4: Simplify right side
96,228,082.80x = 4,549,127,336,147,835 - Step 5: Solve for x
x = 4,549,127,336,147,835/96,228,082.80 - Step 6: Final answer
x = 47,274,425.55
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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.