Finding the Fourth Proportional to 225,428,690.38, 338,258,734.68 and 107,387,131.36
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Solution
The fourth proportional to 225,428,690.38, 338,258,734.68 and 107,387,131.36 is: 161,135,812.45
Step by Step Solution
- Step 1: Write the proportion equation
225,428,690.38 : 338,258,734.68 = 107,387,131.36 : x - Step 2: Convert to fraction form
225,428,690.38/338,258,734.68 = 107,387,131.36/x - Step 3: Cross multiply
225,428,690.38x = 338,258,734.68 × 107,387,131.36 - Step 4: Simplify right side
225,428,690.38x = 36,324,635,174,748,552 - Step 5: Solve for x
x = 36,324,635,174,748,552/225,428,690.38 - Step 6: Final answer
x = 161,135,812.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.