Finding the Fourth Proportional to 118,572,162.40, 177,511,822.80 and 84,559,938.40
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Solution
The fourth proportional to 118,572,162.40, 177,511,822.80 and 84,559,938.40 is: 126,592,857.02
Step by Step Solution
- Step 1: Write the proportion equation
118,572,162.40 : 177,511,822.80 = 84,559,938.40 : x - Step 2: Convert to fraction form
118,572,162.40/177,511,822.80 = 84,559,938.40/x - Step 3: Cross multiply
118,572,162.40x = 177,511,822.80 × 84,559,938.40 - Step 4: Simplify right side
118,572,162.40x = 15,010,388,801,239,718 - Step 5: Solve for x
x = 15,010,388,801,239,718/118,572,162.40 - Step 6: Final answer
x = 126,592,857.02
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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.