Finding the Fourth Proportional to 243,201,709.74, 335,642,319.75 and 138,795,496.14
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Solution
The fourth proportional to 243,201,709.74, 335,642,319.75 and 138,795,496.14 is: 191,551,458.85
Step by Step Solution
- Step 1: Write the proportion equation
243,201,709.74 : 335,642,319.75 = 138,795,496.14 : x - Step 2: Convert to fraction form
243,201,709.74/335,642,319.75 = 138,795,496.14/x - Step 3: Cross multiply
243,201,709.74x = 335,642,319.75 × 138,795,496.14 - Step 4: Simplify right side
243,201,709.74x = 46,585,642,295,281,768 - Step 5: Solve for x
x = 46,585,642,295,281,768/243,201,709.74 - Step 6: Final answer
x = 191,551,458.85
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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.