Finding the Fourth Proportional to 135,197,272.91, 202,789,815.32 and 56,381,324.91
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Solution
The fourth proportional to 135,197,272.91, 202,789,815.32 and 56,381,324.91 is: 84,569,445.97
Step by Step Solution
- Step 1: Write the proportion equation
135,197,272.91 : 202,789,815.32 = 56,381,324.91 : x - Step 2: Convert to fraction form
135,197,272.91/202,789,815.32 = 56,381,324.91/x - Step 3: Cross multiply
135,197,272.91x = 202,789,815.32 × 56,381,324.91 - Step 4: Simplify right side
135,197,272.91x = 11,433,558,466,200,136 - Step 5: Solve for x
x = 11,433,558,466,200,136/135,197,272.91 - Step 6: Final answer
x = 84,569,445.97
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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.