Finding the Fourth Proportional to 201,678,125.10, 302,517,187.65 and 125,150,621.10
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Solution
The fourth proportional to 201,678,125.10, 302,517,187.65 and 125,150,621.10 is: 187,725,931.65
Step by Step Solution
- Step 1: Write the proportion equation
201,678,125.10 : 302,517,187.65 = 125,150,621.10 : x - Step 2: Convert to fraction form
201,678,125.10/302,517,187.65 = 125,150,621.10/x - Step 3: Cross multiply
201,678,125.10x = 302,517,187.65 × 125,150,621.10 - Step 4: Simplify right side
201,678,125.10x = 37,860,213,927,822,744 - Step 5: Solve for x
x = 37,860,213,927,822,744/201,678,125.10 - Step 6: Final answer
x = 187,725,931.65
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1.5x scale
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.