Finding the Fourth Proportional to 119,133,292.28, 164,386,035.78 and 66,912,324.44
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Solution
The fourth proportional to 119,133,292.28, 164,386,035.78 and 66,912,324.44 is: 92,328,949.78
Step by Step Solution
- Step 1: Write the proportion equation
119,133,292.28 : 164,386,035.78 = 66,912,324.44 : x - Step 2: Convert to fraction form
119,133,292.28/164,386,035.78 = 66,912,324.44/x - Step 3: Cross multiply
119,133,292.28x = 164,386,035.78 × 66,912,324.44 - Step 4: Simplify right side
119,133,292.28x = 10,999,451,759,516,808 - Step 5: Solve for x
x = 10,999,451,759,516,808/119,133,292.28 - Step 6: Final answer
x = 92,328,949.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.