Finding the Fourth Proportional to 120,650,056.28, 166,492,175.04 and 68,437,970.96
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Solution
The fourth proportional to 120,650,056.28, 166,492,175.04 and 68,437,970.96 is: 94,441,618.94
Step by Step Solution
- Step 1: Write the proportion equation
120,650,056.28 : 166,492,175.04 = 68,437,970.96 : x - Step 2: Convert to fraction form
120,650,056.28/166,492,175.04 = 68,437,970.96/x - Step 3: Cross multiply
120,650,056.28x = 166,492,175.04 × 68,437,970.96 - Step 4: Simplify right side
120,650,056.28x = 11,394,386,640,454,756 - Step 5: Solve for x
x = 11,394,386,640,454,756/120,650,056.28 - Step 6: Final answer
x = 94,441,618.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.