Finding the Fourth Proportional to 202,287,346.36, 279,088,202.10 and 131,690,811.40
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Solution
The fourth proportional to 202,287,346.36, 279,088,202.10 and 131,690,811.40 is: 181,688,832.49
Step by Step Solution
- Step 1: Write the proportion equation
202,287,346.36 : 279,088,202.10 = 131,690,811.40 : x - Step 2: Convert to fraction form
202,287,346.36/279,088,202.10 = 131,690,811.40/x - Step 3: Cross multiply
202,287,346.36x = 279,088,202.10 × 131,690,811.40 - Step 4: Simplify right side
202,287,346.36x = 36,753,351,786,716,192 - Step 5: Solve for x
x = 36,753,351,786,716,192/202,287,346.36 - Step 6: Final answer
x = 181,688,832.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.