Finding the Fourth Proportional to 243,387,341.90, 335,990,349.40 and 163,057,652.13
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Solution
The fourth proportional to 243,387,341.90, 335,990,349.40 and 163,057,652.13 is: 225,097,152.07
Step by Step Solution
- Step 1: Write the proportion equation
243,387,341.90 : 335,990,349.40 = 163,057,652.13 : x - Step 2: Convert to fraction form
243,387,341.90/335,990,349.40 = 163,057,652.13/x - Step 3: Cross multiply
243,387,341.90x = 335,990,349.40 × 163,057,652.13 - Step 4: Simplify right side
243,387,341.90x = 54,785,797,511,094,704 - Step 5: Solve for x
x = 54,785,797,511,094,704/243,387,341.90 - Step 6: Final answer
x = 225,097,152.07
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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.