Finding the Fourth Proportional to 189,157,792.66, 283,748,676.18 and 79,962,612.82
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Solution
The fourth proportional to 189,157,792.66, 283,748,676.18 and 79,962,612.82 is: 119,948,986.57
Step by Step Solution
- Step 1: Write the proportion equation
189,157,792.66 : 283,748,676.18 = 79,962,612.82 : x - Step 2: Convert to fraction form
189,157,792.66/283,748,676.18 = 79,962,612.82/x - Step 3: Cross multiply
189,157,792.66x = 283,748,676.18 × 79,962,612.82 - Step 4: Simplify right side
189,157,792.66x = 22,689,285,530,558,868 - Step 5: Solve for x
x = 22,689,285,530,558,868/189,157,792.66 - Step 6: Final answer
x = 119,948,986.57
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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.