Finding the Fourth Proportional to 139,968,178.80, 195,501,954 and 139,968,178.80
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Solution
The fourth proportional to 139,968,178.80, 195,501,954 and 139,968,178.80 is: 195,501,954
Step by Step Solution
- Step 1: Write the proportion equation
139,968,178.80 : 195,501,954 = 139,968,178.80 : x - Step 2: Convert to fraction form
139,968,178.80/195,501,954 = 139,968,178.80/x - Step 3: Cross multiply
139,968,178.80x = 195,501,954 × 139,968,178.80 - Step 4: Simplify right side
139,968,178.80x = 27,364,052,453,221,376 - Step 5: Solve for x
x = 27,364,052,453,221,376/139,968,178.80 - Step 6: Final answer
x = 195,501,954
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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.