Finding the Fourth Proportional to 66,171,567.10, 99,260,461.05 and 20,734,843.90
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Solution
The fourth proportional to 66,171,567.10, 99,260,461.05 and 20,734,843.90 is: 31,103,240.49
Step by Step Solution
- Step 1: Write the proportion equation
66,171,567.10 : 99,260,461.05 = 20,734,843.90 : x - Step 2: Convert to fraction form
66,171,567.10/99,260,461.05 = 20,734,843.90/x - Step 3: Cross multiply
66,171,567.10x = 99,260,461.05 × 20,734,843.90 - Step 4: Simplify right side
66,171,567.10x = 2,058,150,165,313,780 - Step 5: Solve for x
x = 2,058,150,165,313,780/66,171,567.10 - Step 6: Final answer
x = 31,103,240.49
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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.