Finding the Fourth Proportional to 303,911,761.72, 455,755,971.84 and 104,434,475.92
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Solution
The fourth proportional to 303,911,761.72, 455,755,971.84 and 104,434,475.92 is: 156,613,339.99
Step by Step Solution
- Step 1: Write the proportion equation
303,911,761.72 : 455,755,971.84 = 104,434,475.92 : x - Step 2: Convert to fraction form
303,911,761.72/455,755,971.84 = 104,434,475.92/x - Step 3: Cross multiply
303,911,761.72x = 455,755,971.84 × 104,434,475.92 - Step 4: Simplify right side
303,911,761.72x = 47,596,636,066,520,680 - Step 5: Solve for x
x = 47,596,636,066,520,680/303,911,761.72 - Step 6: Final answer
x = 156,613,339.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.