Finding the Fourth Proportional to 190,349,149.70, 285,521,412.09 and 52,174,640.46
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Solution
The fourth proportional to 190,349,149.70, 285,521,412.09 and 52,174,640.46 is: 78,261,326.85
Step by Step Solution
- Step 1: Write the proportion equation
190,349,149.70 : 285,521,412.09 = 52,174,640.46 : x - Step 2: Convert to fraction form
190,349,149.70/285,521,412.09 = 52,174,640.46/x - Step 3: Cross multiply
190,349,149.70x = 285,521,412.09 × 52,174,640.46 - Step 4: Simplify right side
190,349,149.70x = 14,896,977,019,427,246 - Step 5: Solve for x
x = 14,896,977,019,427,246/190,349,149.70 - Step 6: Final answer
x = 78,261,326.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.