Finding the Fourth Proportional to 270,213,699.37, 405,174,862.05 and 145,783,022.17
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Solution
The fourth proportional to 270,213,699.37, 405,174,862.05 and 145,783,022.17 is: 218,595,933.64
Step by Step Solution
- Step 1: Write the proportion equation
270,213,699.37 : 405,174,862.05 = 145,783,022.17 : x - Step 2: Convert to fraction form
270,213,699.37/405,174,862.05 = 145,783,022.17/x - Step 3: Cross multiply
270,213,699.37x = 405,174,862.05 × 145,783,022.17 - Step 4: Simplify right side
270,213,699.37x = 59,067,615,895,402,208 - Step 5: Solve for x
x = 59,067,615,895,402,208/270,213,699.37 - Step 6: Final answer
x = 218,595,933.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.