Finding the Fourth Proportional to 53,497,365.12, 73,825,114.50 and 31,472,282.70
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Solution
The fourth proportional to 53,497,365.12, 73,825,114.50 and 31,472,282.70 is: 43,431,015.13
Step by Step Solution
- Step 1: Write the proportion equation
53,497,365.12 : 73,825,114.50 = 31,472,282.70 : x - Step 2: Convert to fraction form
53,497,365.12/73,825,114.50 = 31,472,282.70/x - Step 3: Cross multiply
53,497,365.12x = 73,825,114.50 × 31,472,282.70 - Step 4: Simplify right side
53,497,365.12x = 2,323,444,873,903,869 - Step 5: Solve for x
x = 2,323,444,873,903,869/53,497,365.12 - Step 6: Final answer
x = 43,431,015.13
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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.