Finding the Fourth Proportional to 122,318,838.84, 168,800,025.41 and 67,314,695.34
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Solution
The fourth proportional to 122,318,838.84, 168,800,025.41 and 67,314,695.34 is: 92,894,294.87
Step by Step Solution
- Step 1: Write the proportion equation
122,318,838.84 : 168,800,025.41 = 67,314,695.34 : x - Step 2: Convert to fraction form
122,318,838.84/168,800,025.41 = 67,314,695.34/x - Step 3: Cross multiply
122,318,838.84x = 168,800,025.41 × 67,314,695.34 - Step 4: Simplify right side
122,318,838.84x = 11,362,722,283,858,408 - Step 5: Solve for x
x = 11,362,722,283,858,408/122,318,838.84 - Step 6: Final answer
x = 92,894,294.87
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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.