Finding the Fourth Proportional to 155,158,448, 232,738,838.40 and 68,873,658.08
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Solution
The fourth proportional to 155,158,448, 232,738,838.40 and 68,873,658.08 is: 103,311,004.88
Step by Step Solution
- Step 1: Write the proportion equation
155,158,448 : 232,738,838.40 = 68,873,658.08 : x - Step 2: Convert to fraction form
155,158,448/232,738,838.40 = 68,873,658.08/x - Step 3: Cross multiply
155,158,448x = 232,738,838.40 × 68,873,658.08 - Step 4: Simplify right side
155,158,448x = 16,029,575,177,897,974 - Step 5: Solve for x
x = 16,029,575,177,897,974/155,158,448 - Step 6: Final answer
x = 103,311,004.88
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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.