Finding the Fourth Proportional to 61,509,129.60, 92,264,787.90 and 18,378,865.20
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Solution
The fourth proportional to 61,509,129.60, 92,264,787.90 and 18,378,865.20 is: 27,568,624.54
Step by Step Solution
- Step 1: Write the proportion equation
61,509,129.60 : 92,264,787.90 = 18,378,865.20 : x - Step 2: Convert to fraction form
61,509,129.60/92,264,787.90 = 18,378,865.20/x - Step 3: Cross multiply
61,509,129.60x = 92,264,787.90 × 18,378,865.20 - Step 4: Simplify right side
61,509,129.60x = 1,695,722,099,520,691 - Step 5: Solve for x
x = 1,695,722,099,520,691/61,509,129.60 - Step 6: Final answer
x = 27,568,624.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.