Finding the Fourth Proportional to 187,148,480.97, 258,247,571.85 and 103,514,812.01
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Solution
The fourth proportional to 187,148,480.97, 258,247,571.85 and 103,514,812.01 is: 142,840,854.02
Step by Step Solution
- Step 1: Write the proportion equation
187,148,480.97 : 258,247,571.85 = 103,514,812.01 : x - Step 2: Convert to fraction form
187,148,480.97/258,247,571.85 = 103,514,812.01/x - Step 3: Cross multiply
187,148,480.97x = 258,247,571.85 × 103,514,812.01 - Step 4: Simplify right side
187,148,480.97x = 26,732,448,850,800,480 - Step 5: Solve for x
x = 26,732,448,850,800,480/187,148,480.97 - Step 6: Final answer
x = 142,840,854.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.