Finding the Fourth Proportional to 75,402,283.20, 113,103,424.80 and 37,138,531.20
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Solution
The fourth proportional to 75,402,283.20, 113,103,424.80 and 37,138,531.20 is: 55,707,796.80
Step by Step Solution
- Step 1: Write the proportion equation
75,402,283.20 : 113,103,424.80 = 37,138,531.20 : x - Step 2: Convert to fraction form
75,402,283.20/113,103,424.80 = 37,138,531.20/x - Step 3: Cross multiply
75,402,283.20x = 113,103,424.80 × 37,138,531.20 - Step 4: Simplify right side
75,402,283.20x = 4,200,495,070,761,654 - Step 5: Solve for x
x = 4,200,495,070,761,654/75,402,283.20 - Step 6: Final answer
x = 55,707,796.80
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.