Finding the Fourth Proportional to 127,056,381.36, 190,491,657.48 and 40,745,658.48
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Solution
The fourth proportional to 127,056,381.36, 190,491,657.48 and 40,745,658.48 is: 61,088,690.99
Step by Step Solution
- Step 1: Write the proportion equation
127,056,381.36 : 190,491,657.48 = 40,745,658.48 : x - Step 2: Convert to fraction form
127,056,381.36/190,491,657.48 = 40,745,658.48/x - Step 3: Cross multiply
127,056,381.36x = 190,491,657.48 × 40,745,658.48 - Step 4: Simplify right side
127,056,381.36x = 7,761,708,018,969,216 - Step 5: Solve for x
x = 7,761,708,018,969,216/127,056,381.36 - Step 6: Final answer
x = 61,088,690.99
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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.