Finding the Fourth Proportional to 122,288,435.86, 183,449,687.28 and 39,292,685.95
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Solution
The fourth proportional to 122,288,435.86, 183,449,687.28 and 39,292,685.95 is: 58,944,501.98
Step by Step Solution
- Step 1: Write the proportion equation
122,288,435.86 : 183,449,687.28 = 39,292,685.95 : x - Step 2: Convert to fraction form
122,288,435.86/183,449,687.28 = 39,292,685.95/x - Step 3: Cross multiply
122,288,435.86x = 183,449,687.28 × 39,292,685.95 - Step 4: Simplify right side
122,288,435.86x = 7,208,230,950,024,879 - Step 5: Solve for x
x = 7,208,230,950,024,879/122,288,435.86 - Step 6: Final answer
x = 58,944,501.98
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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.