Finding the Fourth Proportional to 188,440,430.58, 260,246,049.12 and 167,898,858.12
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Solution
The fourth proportional to 188,440,430.58, 260,246,049.12 and 167,898,858.12 is: 231,877,067.69
Step by Step Solution
- Step 1: Write the proportion equation
188,440,430.58 : 260,246,049.12 = 167,898,858.12 : x - Step 2: Convert to fraction form
188,440,430.58/260,246,049.12 = 167,898,858.12/x - Step 3: Cross multiply
188,440,430.58x = 260,246,049.12 × 167,898,858.12 - Step 4: Simplify right side
188,440,430.58x = 43,695,014,477,489,432 - Step 5: Solve for x
x = 43,695,014,477,489,432/188,440,430.58 - Step 6: Final answer
x = 231,877,067.69
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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.