Finding the Fourth Proportional to 119,372,037.87, 164,731,724.91 and 67,160,948.99
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Solution
The fourth proportional to 119,372,037.87, 164,731,724.91 and 67,160,948.99 is: 92,681,160.26
Step by Step Solution
- Step 1: Write the proportion equation
119,372,037.87 : 164,731,724.91 = 67,160,948.99 : x - Step 2: Convert to fraction form
119,372,037.87/164,731,724.91 = 67,160,948.99/x - Step 3: Cross multiply
119,372,037.87x = 164,731,724.91 × 67,160,948.99 - Step 4: Simplify right side
119,372,037.87x = 11,063,538,972,891,564 - Step 5: Solve for x
x = 11,063,538,972,891,564/119,372,037.87 - Step 6: Final answer
x = 92,681,160.26
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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.