Finding the Fourth Proportional to 180,301,612.20, 248,813,783.20 and 100,916,650.08
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Solution
The fourth proportional to 180,301,612.20, 248,813,783.20 and 100,916,650.08 is: 139,263,610.50
Step by Step Solution
- Step 1: Write the proportion equation
180,301,612.20 : 248,813,783.20 = 100,916,650.08 : x - Step 2: Convert to fraction form
180,301,612.20/248,813,783.20 = 100,916,650.08/x - Step 3: Cross multiply
180,301,612.20x = 248,813,783.20 × 100,916,650.08 - Step 4: Simplify right side
180,301,612.20x = 25,109,453,494,275,380 - Step 5: Solve for x
x = 25,109,453,494,275,380/180,301,612.20 - Step 6: Final answer
x = 139,263,610.50
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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.