Finding the Fourth Proportional to 86,234,680.08, 129,259,903.68 and 43,018,685.28
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Solution
The fourth proportional to 86,234,680.08, 129,259,903.68 and 43,018,685.28 is: 64,482,075.08
Step by Step Solution
- Step 1: Write the proportion equation
86,234,680.08 : 129,259,903.68 = 43,018,685.28 : x - Step 2: Convert to fraction form
86,234,680.08/129,259,903.68 = 43,018,685.28/x - Step 3: Cross multiply
86,234,680.08x = 129,259,903.68 × 43,018,685.28 - Step 4: Simplify right side
86,234,680.08x = 5,560,591,115,733,034 - Step 5: Solve for x
x = 5,560,591,115,733,034/86,234,680.08 - Step 6: Final answer
x = 64,482,075.08
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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.