Finding the Fourth Proportional to 53,774,660.16, 80,642,227.30 and 19,221,738.01
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Solution
The fourth proportional to 53,774,660.16, 80,642,227.30 and 19,221,738.01 is: 28,825,542.75
Step by Step Solution
- Step 1: Write the proportion equation
53,774,660.16 : 80,642,227.30 = 19,221,738.01 : x - Step 2: Convert to fraction form
53,774,660.16/80,642,227.30 = 19,221,738.01/x - Step 3: Cross multiply
53,774,660.16x = 80,642,227.30 × 19,221,738.01 - Step 4: Simplify right side
53,774,660.16x = 1,550,083,765,453,809.75 - Step 5: Solve for x
x = 1,550,083,765,453,809.75/53,774,660.16 - Step 6: Final answer
x = 28,825,542.75
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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.