Finding the Fourth Proportional to 86,370,626.58, 129,555,939.88 and 28,862,897.75
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Solution
The fourth proportional to 86,370,626.58, 129,555,939.88 and 28,862,897.75 is: 43,294,346.62
Step by Step Solution
- Step 1: Write the proportion equation
86,370,626.58 : 129,555,939.88 = 28,862,897.75 : x - Step 2: Convert to fraction form
86,370,626.58/129,555,939.88 = 28,862,897.75/x - Step 3: Cross multiply
86,370,626.58x = 129,555,939.88 × 28,862,897.75 - Step 4: Simplify right side
86,370,626.58x = 3,739,359,845,013,807.50 - Step 5: Solve for x
x = 3,739,359,845,013,807.50/86,370,626.58 - Step 6: Final answer
x = 43,294,346.62
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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.