Finding the Fourth Proportional to 243,201,710.24, 335,642,320.44 and 138,795,496.64
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Solution
The fourth proportional to 243,201,710.24, 335,642,320.44 and 138,795,496.64 is: 191,551,459.54
Step by Step Solution
- Step 1: Write the proportion equation
243,201,710.24 : 335,642,320.44 = 138,795,496.64 : x - Step 2: Convert to fraction form
243,201,710.24/335,642,320.44 = 138,795,496.64/x - Step 3: Cross multiply
243,201,710.24x = 335,642,320.44 × 138,795,496.64 - Step 4: Simplify right side
243,201,710.24x = 46,585,642,558,871,816 - Step 5: Solve for x
x = 46,585,642,558,871,816/243,201,710.24 - Step 6: Final answer
x = 191,551,459.54
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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.