Finding the Fourth Proportional to 119,133,291.78, 164,386,035.09 and 66,912,323.94
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Solution
The fourth proportional to 119,133,291.78, 164,386,035.09 and 66,912,323.94 is: 92,328,949.09
Step by Step Solution
- Step 1: Write the proportion equation
119,133,291.78 : 164,386,035.09 = 66,912,323.94 : x - Step 2: Convert to fraction form
119,133,291.78/164,386,035.09 = 66,912,323.94/x - Step 3: Cross multiply
119,133,291.78x = 164,386,035.09 × 66,912,323.94 - Step 4: Simplify right side
119,133,291.78x = 10,999,451,631,154,286 - Step 5: Solve for x
x = 10,999,451,631,154,286/119,133,291.78 - Step 6: Final answer
x = 92,328,949.09
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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.