Finding the Fourth Proportional to 243,387,346.56, 335,990,355.84 and 163,057,656.84
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Solution
The fourth proportional to 243,387,346.56, 335,990,355.84 and 163,057,656.84 is: 225,097,158.58
Step by Step Solution
- Step 1: Write the proportion equation
243,387,346.56 : 335,990,355.84 = 163,057,656.84 : x - Step 2: Convert to fraction form
243,387,346.56/335,990,355.84 = 163,057,656.84/x - Step 3: Cross multiply
243,387,346.56x = 335,990,355.84 × 163,057,656.84 - Step 4: Simplify right side
243,387,346.56x = 54,785,800,144,108,208 - Step 5: Solve for x
x = 54,785,800,144,108,208/243,387,346.56 - Step 6: Final answer
x = 225,097,158.58
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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.