Finding the Fourth Proportional to 71,965,709.24, 107,948,878.72 and 22,781,802.66
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Solution
The fourth proportional to 71,965,709.24, 107,948,878.72 and 22,781,802.66 is: 34,172,803.66
Step by Step Solution
- Step 1: Write the proportion equation
71,965,709.24 : 107,948,878.72 = 22,781,802.66 : x - Step 2: Convert to fraction form
71,965,709.24/107,948,878.72 = 22,781,802.66/x - Step 3: Cross multiply
71,965,709.24x = 107,948,878.72 × 22,781,802.66 - Step 4: Simplify right side
71,965,709.24x = 2,459,270,052,367,313.50 - Step 5: Solve for x
x = 2,459,270,052,367,313.50/71,965,709.24 - Step 6: Final answer
x = 34,172,803.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.