Finding the Fourth Proportional to 207,832,554.32, 286,809,482.76 and 115,019,462.48
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Solution
The fourth proportional to 207,832,554.32, 286,809,482.76 and 115,019,462.48 is: 158,727,166.92
Step by Step Solution
- Step 1: Write the proportion equation
207,832,554.32 : 286,809,482.76 = 115,019,462.48 : x - Step 2: Convert to fraction form
207,832,554.32/286,809,482.76 = 115,019,462.48/x - Step 3: Cross multiply
207,832,554.32x = 286,809,482.76 × 115,019,462.48 - Step 4: Simplify right side
207,832,554.32x = 32,988,672,541,222,028 - Step 5: Solve for x
x = 32,988,672,541,222,028/207,832,554.32 - Step 6: Final answer
x = 158,727,166.92
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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.