Finding the Fourth Proportional to 53,461,987.67, 73,810,864.37 and 36,745,511.02
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Solution
The fourth proportional to 53,461,987.67, 73,810,864.37 and 36,745,511.02 is: 50,731,707.67
Step by Step Solution
- Step 1: Write the proportion equation
53,461,987.67 : 73,810,864.37 = 36,745,511.02 : x - Step 2: Convert to fraction form
53,461,987.67/73,810,864.37 = 36,745,511.02/x - Step 3: Cross multiply
53,461,987.67x = 73,810,864.37 × 36,745,511.02 - Step 4: Simplify right side
53,461,987.67x = 2,712,217,930,010,897 - Step 5: Solve for x
x = 2,712,217,930,010,897/53,461,987.67 - Step 6: Final answer
x = 50,731,707.67
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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.