Finding the Fourth Proportional to 243,201,693.24, 335,642,296.86 and 138,795,479.64
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Solution
The fourth proportional to 243,201,693.24, 335,642,296.86 and 138,795,479.64 is: 191,551,436.01
Step by Step Solution
- Step 1: Write the proportion equation
243,201,693.24 : 335,642,296.86 = 138,795,479.64 : x - Step 2: Convert to fraction form
243,201,693.24/335,642,296.86 = 138,795,479.64/x - Step 3: Cross multiply
243,201,693.24x = 335,642,296.86 × 138,795,479.64 - Step 4: Simplify right side
243,201,693.24x = 46,585,633,580,154,960 - Step 5: Solve for x
x = 46,585,633,580,154,960/243,201,693.24 - Step 6: Final answer
x = 191,551,436.01
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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.