Finding the Fourth Proportional to 77,542,485.63, 107,024,509.26 and 46,198,896
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Solution
The fourth proportional to 77,542,485.63, 107,024,509.26 and 46,198,896 is: 63,763,937.05
Step by Step Solution
- Step 1: Write the proportion equation
77,542,485.63 : 107,024,509.26 = 46,198,896 : x - Step 2: Convert to fraction form
77,542,485.63/107,024,509.26 = 46,198,896/x - Step 3: Cross multiply
77,542,485.63x = 107,024,509.26 × 46,198,896 - Step 4: Simplify right side
77,542,485.63x = 4,944,414,172,753,777 - Step 5: Solve for x
x = 4,944,414,172,753,777/77,542,485.63 - Step 6: Final answer
x = 63,763,937.05
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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.