Finding the Fourth Proportional to 57,356,752.68, 79,151,322.08 and 31,251,485.03
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Solution
The fourth proportional to 57,356,752.68, 79,151,322.08 and 31,251,485.03 is: 43,126,506.32
Step by Step Solution
- Step 1: Write the proportion equation
57,356,752.68 : 79,151,322.08 = 31,251,485.03 : x - Step 2: Convert to fraction form
57,356,752.68/79,151,322.08 = 31,251,485.03/x - Step 3: Cross multiply
57,356,752.68x = 79,151,322.08 × 31,251,485.03 - Step 4: Simplify right side
57,356,752.68x = 2,473,596,356,770,200.50 - Step 5: Solve for x
x = 2,473,596,356,770,200.50/57,356,752.68 - Step 6: Final answer
x = 43,126,506.32
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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.