Finding the Fourth Proportional to 86,500,537.20, 129,750,805.80 and 25,916,263.20
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Solution
The fourth proportional to 86,500,537.20, 129,750,805.80 and 25,916,263.20 is: 38,874,394.80
Step by Step Solution
- Step 1: Write the proportion equation
86,500,537.20 : 129,750,805.80 = 25,916,263.20 : x - Step 2: Convert to fraction form
86,500,537.20/129,750,805.80 = 25,916,263.20/x - Step 3: Cross multiply
86,500,537.20x = 129,750,805.80 × 25,916,263.20 - Step 4: Simplify right side
86,500,537.20x = 3,362,656,033,524,886.50 - Step 5: Solve for x
x = 3,362,656,033,524,886.50/86,500,537.20 - Step 6: Final answer
x = 38,874,394.80
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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.