Finding the Fourth Proportional to 96,971,536.40, 145,528,163.40 and 68,273,722.40
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Solution
The fourth proportional to 96,971,536.40, 145,528,163.40 and 68,273,722.40 is: 102,460,472.40
Step by Step Solution
- Step 1: Write the proportion equation
96,971,536.40 : 145,528,163.40 = 68,273,722.40 : x - Step 2: Convert to fraction form
96,971,536.40/145,528,163.40 = 68,273,722.40/x - Step 3: Cross multiply
96,971,536.40x = 145,528,163.40 × 68,273,722.40 - Step 4: Simplify right side
96,971,536.40x = 9,935,749,429,353,442 - Step 5: Solve for x
x = 9,935,749,429,353,442/96,971,536.40 - Step 6: Final answer
x = 102,460,472.40
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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.