Finding the Fourth Proportional to 167,777,711.16, 231,540,424.74 and 93,438,271.41
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Solution
The fourth proportional to 167,777,711.16, 231,540,424.74 and 93,438,271.41 is: 128,948,815.07
Step by Step Solution
- Step 1: Write the proportion equation
167,777,711.16 : 231,540,424.74 = 93,438,271.41 : x - Step 2: Convert to fraction form
167,777,711.16/231,540,424.74 = 93,438,271.41/x - Step 3: Cross multiply
167,777,711.16x = 231,540,424.74 × 93,438,271.41 - Step 4: Simplify right side
167,777,711.16x = 21,634,737,049,242,800 - Step 5: Solve for x
x = 21,634,737,049,242,800/167,777,711.16 - Step 6: Final answer
x = 128,948,815.07
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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.