Finding the Fourth Proportional to 73,427,215.88, 110,128,853.18 and 21,599,697.80
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Solution
The fourth proportional to 73,427,215.88, 110,128,853.18 and 21,599,697.80 is: 32,396,025.36
Step by Step Solution
- Step 1: Write the proportion equation
73,427,215.88 : 110,128,853.18 = 21,599,697.80 : x - Step 2: Convert to fraction form
73,427,215.88/110,128,853.18 = 21,599,697.80/x - Step 3: Cross multiply
73,427,215.88x = 110,128,853.18 × 21,599,697.80 - Step 4: Simplify right side
73,427,215.88x = 2,378,749,947,748,569 - Step 5: Solve for x
x = 2,378,749,947,748,569/73,427,215.88 - Step 6: Final answer
x = 32,396,025.36
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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.