Finding the Fourth Proportional to 77,879,800.44, 107,507,216.50 and 48,525,636.04
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Solution
The fourth proportional to 77,879,800.44, 107,507,216.50 and 48,525,636.04 is: 66,985,996.75
Step by Step Solution
- Step 1: Write the proportion equation
77,879,800.44 : 107,507,216.50 = 48,525,636.04 : x - Step 2: Convert to fraction form
77,879,800.44/107,507,216.50 = 48,525,636.04/x - Step 3: Cross multiply
77,879,800.44x = 107,507,216.50 × 48,525,636.04 - Step 4: Simplify right side
77,879,800.44x = 5,216,856,059,552,483 - Step 5: Solve for x
x = 5,216,856,059,552,483/77,879,800.44 - Step 6: Final answer
x = 66,985,996.75
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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.