Finding the Fourth Proportional to 136,735,682.72, 188,713,204.56 and 77,984,880.08
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Solution
The fourth proportional to 136,735,682.72, 188,713,204.56 and 77,984,880.08 is: 107,629,379.06
Step by Step Solution
- Step 1: Write the proportion equation
136,735,682.72 : 188,713,204.56 = 77,984,880.08 : x - Step 2: Convert to fraction form
136,735,682.72/188,713,204.56 = 77,984,880.08/x - Step 3: Cross multiply
136,735,682.72x = 188,713,204.56 × 77,984,880.08 - Step 4: Simplify right side
136,735,682.72x = 14,716,776,627,124,110 - Step 5: Solve for x
x = 14,716,776,627,124,110/136,735,682.72 - Step 6: Final answer
x = 107,629,379.06
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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.