Finding the Fourth Proportional to 73,774,218.32, 110,183,019.09 and 66,843,851.08
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Solution
The fourth proportional to 73,774,218.32, 110,183,019.09 and 66,843,851.08 is: 99,832,400.63
Step by Step Solution
- Step 1: Write the proportion equation
73,774,218.32 : 110,183,019.09 = 66,843,851.08 : x - Step 2: Convert to fraction form
73,774,218.32/110,183,019.09 = 66,843,851.08/x - Step 3: Cross multiply
73,774,218.32x = 110,183,019.09 × 66,843,851.08 - Step 4: Simplify right side
73,774,218.32x = 7,365,057,319,596,757 - Step 5: Solve for x
x = 7,365,057,319,596,757/73,774,218.32 - Step 6: Final answer
x = 99,832,400.63
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.