Finding the Fourth Proportional to 107,821,340.56, 161,804,782.21 and 42,234,343.03
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Solution
The fourth proportional to 107,821,340.56, 161,804,782.21 and 42,234,343.03 is: 63,380,019.58
Step by Step Solution
- Step 1: Write the proportion equation
107,821,340.56 : 161,804,782.21 = 42,234,343.03 : x - Step 2: Convert to fraction form
107,821,340.56/161,804,782.21 = 42,234,343.03/x - Step 3: Cross multiply
107,821,340.56x = 161,804,782.21 × 42,234,343.03 - Step 4: Simplify right side
107,821,340.56x = 6,833,718,675,751,582 - Step 5: Solve for x
x = 6,833,718,675,751,582/107,821,340.56 - Step 6: Final answer
x = 63,380,019.58
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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.