Finding the Fourth Proportional to 135,115,265.26, 186,459,340.82 and 73,235,645.74
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Solution
The fourth proportional to 135,115,265.26, 186,459,340.82 and 73,235,645.74 is: 101,065,340.05
Step by Step Solution
- Step 1: Write the proportion equation
135,115,265.26 : 186,459,340.82 = 73,235,645.74 : x - Step 2: Convert to fraction form
135,115,265.26/186,459,340.82 = 73,235,645.74/x - Step 3: Cross multiply
135,115,265.26x = 186,459,340.82 × 73,235,645.74 - Step 4: Simplify right side
135,115,265.26x = 13,655,470,229,698,582 - Step 5: Solve for x
x = 13,655,470,229,698,582/135,115,265.26 - Step 6: Final answer
x = 101,065,340.05
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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.