Finding the Fourth Proportional to 86,052,980.07, 129,104,702.61 and 27,759,490.15
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Solution
The fourth proportional to 86,052,980.07, 129,104,702.61 and 27,759,490.15 is: 41,647,374.88
Step by Step Solution
- Step 1: Write the proportion equation
86,052,980.07 : 129,104,702.61 = 27,759,490.15 : x - Step 2: Convert to fraction form
86,052,980.07/129,104,702.61 = 27,759,490.15/x - Step 3: Cross multiply
86,052,980.07x = 129,104,702.61 × 27,759,490.15 - Step 4: Simplify right side
86,052,980.07x = 3,583,880,720,420,974 - Step 5: Solve for x
x = 3,583,880,720,420,974/86,052,980.07 - Step 6: Final answer
x = 41,647,374.88
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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.