Finding the Fourth Proportional to 207,832,691.28, 286,809,669.96 and 115,019,599.44
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Solution
The fourth proportional to 207,832,691.28, 286,809,669.96 and 115,019,599.44 is: 158,727,354.93
Step by Step Solution
- Step 1: Write the proportion equation
207,832,691.28 : 286,809,669.96 = 115,019,599.44 : x - Step 2: Convert to fraction form
207,832,691.28/286,809,669.96 = 115,019,599.44/x - Step 3: Cross multiply
207,832,691.28x = 286,809,669.96 × 115,019,599.44 - Step 4: Simplify right side
207,832,691.28x = 32,988,733,354,317,796 - Step 5: Solve for x
x = 32,988,733,354,317,796/207,832,691.28 - Step 6: Final answer
x = 158,727,354.93
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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.