Finding the Fourth Proportional to 68,522,260.14, 94,456,107.99 and 42,011,533.44
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Solution
The fourth proportional to 68,522,260.14, 94,456,107.99 and 42,011,533.44 is: 57,911,778.32
Step by Step Solution
- Step 1: Write the proportion equation
68,522,260.14 : 94,456,107.99 = 42,011,533.44 : x - Step 2: Convert to fraction form
68,522,260.14/94,456,107.99 = 42,011,533.44/x - Step 3: Cross multiply
68,522,260.14x = 94,456,107.99 × 42,011,533.44 - Step 4: Simplify right side
68,522,260.14x = 3,968,245,939,434,135.50 - Step 5: Solve for x
x = 3,968,245,939,434,135.50/68,522,260.14 - Step 6: Final answer
x = 57,911,778.32
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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.