Finding the Fourth Proportional to 167,945,427.30, 251,918,140.95 and 158,379,489.30
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Solution
The fourth proportional to 167,945,427.30, 251,918,140.95 and 158,379,489.30 is: 237,569,233.95
Step by Step Solution
- Step 1: Write the proportion equation
167,945,427.30 : 251,918,140.95 = 158,379,489.30 : x - Step 2: Convert to fraction form
167,945,427.30/251,918,140.95 = 158,379,489.30/x - Step 3: Cross multiply
167,945,427.30x = 251,918,140.95 × 158,379,489.30 - Step 4: Simplify right side
167,945,427.30x = 39,898,666,509,066,416 - Step 5: Solve for x
x = 39,898,666,509,066,416/167,945,427.30 - Step 6: Final answer
x = 237,569,233.95
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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.