Finding the Fourth Proportional to 85,544,937.67, 128,266,163.07 and 27,227,425.59
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Solution
The fourth proportional to 85,544,937.67, 128,266,163.07 and 27,227,425.59 is: 40,824,828.51
Step by Step Solution
- Step 1: Write the proportion equation
85,544,937.67 : 128,266,163.07 = 27,227,425.59 : x - Step 2: Convert to fraction form
85,544,937.67/128,266,163.07 = 27,227,425.59/x - Step 3: Cross multiply
85,544,937.67x = 128,266,163.07 × 27,227,425.59 - Step 4: Simplify right side
85,544,937.67x = 3,492,357,410,703,230.50 - Step 5: Solve for x
x = 3,492,357,410,703,230.50/85,544,937.67 - Step 6: Final answer
x = 40,824,828.51
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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.