Finding the Fourth Proportional to 135,571,246.63, 187,108,771.02 and 82,678,640.02
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Solution
The fourth proportional to 135,571,246.63, 187,108,771.02 and 82,678,640.02 is: 114,108,995.15
Step by Step Solution
- Step 1: Write the proportion equation
135,571,246.63 : 187,108,771.02 = 82,678,640.02 : x - Step 2: Convert to fraction form
135,571,246.63/187,108,771.02 = 82,678,640.02/x - Step 3: Cross multiply
135,571,246.63x = 187,108,771.02 × 82,678,640.02 - Step 4: Simplify right side
135,571,246.63x = 15,469,898,723,747,188 - Step 5: Solve for x
x = 15,469,898,723,747,188/135,571,246.63 - Step 6: Final answer
x = 114,108,995.15
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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.