Finding the Fourth Proportional to 57,751,769.42, 79,697,418.99 and 31,997,657.42
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Solution
The fourth proportional to 57,751,769.42, 79,697,418.99 and 31,997,657.42 is: 44,156,754.60
Step by Step Solution
- Step 1: Write the proportion equation
57,751,769.42 : 79,697,418.99 = 31,997,657.42 : x - Step 2: Convert to fraction form
57,751,769.42/79,697,418.99 = 31,997,657.42/x - Step 3: Cross multiply
57,751,769.42x = 79,697,418.99 × 31,997,657.42 - Step 4: Simplify right side
57,751,769.42x = 2,550,130,710,100,222.50 - Step 5: Solve for x
x = 2,550,130,710,100,222.50/57,751,769.42 - Step 6: Final answer
x = 44,156,754.60
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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.