Finding the Fourth Proportional to 100,537,403.28, 138,743,453.97 and 55,887,567.54
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Solution
The fourth proportional to 100,537,403.28, 138,743,453.97 and 55,887,567.54 is: 77,125,864.62
Step by Step Solution
- Step 1: Write the proportion equation
100,537,403.28 : 138,743,453.97 = 55,887,567.54 : x - Step 2: Convert to fraction form
100,537,403.28/138,743,453.97 = 55,887,567.54/x - Step 3: Cross multiply
100,537,403.28x = 138,743,453.97 × 55,887,567.54 - Step 4: Simplify right side
100,537,403.28x = 7,754,034,154,481,256 - Step 5: Solve for x
x = 7,754,034,154,481,256/100,537,403.28 - Step 6: Final answer
x = 77,125,864.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.