Finding the Fourth Proportional to 162,689,193.57, 243,794,579.63 and 96,147,133.81
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Solution
The fourth proportional to 162,689,193.57, 243,794,579.63 and 96,147,133.81 is: 144,079,330.38
Step by Step Solution
- Step 1: Write the proportion equation
162,689,193.57 : 243,794,579.63 = 96,147,133.81 : x - Step 2: Convert to fraction form
162,689,193.57/243,794,579.63 = 96,147,133.81/x - Step 3: Cross multiply
162,689,193.57x = 243,794,579.63 × 96,147,133.81 - Step 4: Simplify right side
162,689,193.57x = 23,440,150,069,838,312 - Step 5: Solve for x
x = 23,440,150,069,838,312/162,689,193.57 - Step 6: Final answer
x = 144,079,330.38
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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.