Finding the Fourth Proportional to 139,968,378.80, 195,502,234 and 139,968,378.80
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Solution
The fourth proportional to 139,968,378.80, 195,502,234 and 139,968,378.80 is: 195,502,234
Step by Step Solution
- Step 1: Write the proportion equation
139,968,378.80 : 195,502,234 = 139,968,378.80 : x - Step 2: Convert to fraction form
139,968,378.80/195,502,234 = 139,968,378.80/x - Step 3: Cross multiply
139,968,378.80x = 195,502,234 × 139,968,378.80 - Step 4: Simplify right side
139,968,378.80x = 27,364,130,744,758,240 - Step 5: Solve for x
x = 27,364,130,744,758,240/139,968,378.80 - Step 6: Final answer
x = 195,502,234
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1.5x scale
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.