Finding the Fourth Proportional to 66,429,836.70, 99,686,745.45 and 39,136,076.70
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Solution
The fourth proportional to 66,429,836.70, 99,686,745.45 and 39,136,076.70 is: 58,728,853.02
Step by Step Solution
- Step 1: Write the proportion equation
66,429,836.70 : 99,686,745.45 = 39,136,076.70 : x - Step 2: Convert to fraction form
66,429,836.70/99,686,745.45 = 39,136,076.70/x - Step 3: Cross multiply
66,429,836.70x = 99,686,745.45 × 39,136,076.70 - Step 4: Simplify right side
66,429,836.70x = 3,901,348,115,904,576.50 - Step 5: Solve for x
x = 3,901,348,115,904,576.50/66,429,836.70 - Step 6: Final answer
x = 58,728,853.02
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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.