Finding the Fourth Proportional to 167,777,677.37, 231,540,378.15 and 93,438,237.65
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Solution
The fourth proportional to 167,777,677.37, 231,540,378.15 and 93,438,237.65 is: 128,948,768.50
Step by Step Solution
- Step 1: Write the proportion equation
167,777,677.37 : 231,540,378.15 = 93,438,237.65 : x - Step 2: Convert to fraction form
167,777,677.37/231,540,378.15 = 93,438,237.65/x - Step 3: Cross multiply
167,777,677.37x = 231,540,378.15 × 93,438,237.65 - Step 4: Simplify right side
167,777,677.37x = 21,634,724,877,992,864 - Step 5: Solve for x
x = 21,634,724,877,992,864/167,777,677.37 - Step 6: Final answer
x = 128,948,768.50
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1.5x scale
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.