Finding the Fourth Proportional to 53,995,415.22, 74,513,624.73 and 30,478,902.12
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Solution
The fourth proportional to 53,995,415.22, 74,513,624.73 and 30,478,902.12 is: 42,060,857.68
Step by Step Solution
- Step 1: Write the proportion equation
53,995,415.22 : 74,513,624.73 = 30,478,902.12 : x - Step 2: Convert to fraction form
53,995,415.22/74,513,624.73 = 30,478,902.12/x - Step 3: Cross multiply
53,995,415.22x = 74,513,624.73 × 30,478,902.12 - Step 4: Simplify right side
53,995,415.22x = 2,271,093,474,752,081.50 - Step 5: Solve for x
x = 2,271,093,474,752,081.50/53,995,415.22 - Step 6: Final answer
x = 42,060,857.68
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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.