Finding the Fourth Proportional to 135,039,317.33, 186,354,453.75 and 73,159,655.88
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Solution
The fourth proportional to 135,039,317.33, 186,354,453.75 and 73,159,655.88 is: 100,960,431.21
Step by Step Solution
- Step 1: Write the proportion equation
135,039,317.33 : 186,354,453.75 = 73,159,655.88 : x - Step 2: Convert to fraction form
135,039,317.33/186,354,453.75 = 73,159,655.88/x - Step 3: Cross multiply
135,039,317.33x = 186,354,453.75 × 73,159,655.88 - Step 4: Simplify right side
135,039,317.33x = 13,633,627,708,055,374 - Step 5: Solve for x
x = 13,633,627,708,055,374/135,039,317.33 - Step 6: Final answer
x = 100,960,431.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.