Finding the Fourth Proportional to 272,247,076.84, 408,141,067.74 and 118,780,570.60
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Solution
The fourth proportional to 272,247,076.84, 408,141,067.74 and 118,780,570.60 is: 178,070,705.02
Step by Step Solution
- Step 1: Write the proportion equation
272,247,076.84 : 408,141,067.74 = 118,780,570.60 : x - Step 2: Convert to fraction form
272,247,076.84/408,141,067.74 = 118,780,570.60/x - Step 3: Cross multiply
272,247,076.84x = 408,141,067.74 × 118,780,570.60 - Step 4: Simplify right side
272,247,076.84x = 48,479,228,911,450,448 - Step 5: Solve for x
x = 48,479,228,911,450,448/272,247,076.84 - Step 6: Final answer
x = 178,070,705.02
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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.