Finding the Fourth Proportional to 77,542,483.38, 107,024,506.16 and 46,198,893.75
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Solution
The fourth proportional to 77,542,483.38, 107,024,506.16 and 46,198,893.75 is: 63,763,933.95
Step by Step Solution
- Step 1: Write the proportion equation
77,542,483.38 : 107,024,506.16 = 46,198,893.75 : x - Step 2: Convert to fraction form
77,542,483.38/107,024,506.16 = 46,198,893.75/x - Step 3: Cross multiply
77,542,483.38x = 107,024,506.16 × 46,198,893.75 - Step 4: Simplify right side
77,542,483.38x = 4,944,413,788,501,066 - Step 5: Solve for x
x = 4,944,413,788,501,066/77,542,483.38 - Step 6: Final answer
x = 63,763,933.95
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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.