Finding the Fourth Proportional to 75,727,159.93, 104,503,476.27 and 40,919,849.38
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Solution
The fourth proportional to 75,727,159.93, 104,503,476.27 and 40,919,849.38 is: 56,469,389.75
Step by Step Solution
- Step 1: Write the proportion equation
75,727,159.93 : 104,503,476.27 = 40,919,849.38 : x - Step 2: Convert to fraction form
75,727,159.93/104,503,476.27 = 40,919,849.38/x - Step 3: Cross multiply
75,727,159.93x = 104,503,476.27 × 40,919,849.38 - Step 4: Simplify right side
75,727,159.93x = 4,276,266,508,654,804.50 - Step 5: Solve for x
x = 4,276,266,508,654,804.50/75,727,159.93 - Step 6: Final answer
x = 56,469,389.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.