Finding the Fourth Proportional to 139,091,504.40, 195,131,214 and 139,091,504.40
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Solution
The fourth proportional to 139,091,504.40, 195,131,214 and 139,091,504.40 is: 195,131,214
Step by Step Solution
- Step 1: Write the proportion equation
139,091,504.40 : 195,131,214 = 139,091,504.40 : x - Step 2: Convert to fraction form
139,091,504.40/195,131,214 = 139,091,504.40/x - Step 3: Cross multiply
139,091,504.40x = 195,131,214 × 139,091,504.40 - Step 4: Simplify right side
139,091,504.40x = 27,141,094,110,658,344 - Step 5: Solve for x
x = 27,141,094,110,658,344/139,091,504.40 - Step 6: Final answer
x = 195,131,214
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.