Finding the Fourth Proportional to 236,206,727.10, 354,310,090.65 and 149,688,132.30
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Solution
The fourth proportional to 236,206,727.10, 354,310,090.65 and 149,688,132.30 is: 224,532,198.45
Step by Step Solution
- Step 1: Write the proportion equation
236,206,727.10 : 354,310,090.65 = 149,688,132.30 : x - Step 2: Convert to fraction form
236,206,727.10/354,310,090.65 = 149,688,132.30/x - Step 3: Cross multiply
236,206,727.10x = 354,310,090.65 × 149,688,132.30 - Step 4: Simplify right side
236,206,727.10x = 53,036,015,724,442,192 - Step 5: Solve for x
x = 53,036,015,724,442,192/236,206,727.10 - Step 6: Final answer
x = 224,532,198.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.