Finding the Fourth Proportional to 243,018,918.12, 335,284,011.36 and 158,207,419.23
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Solution
The fourth proportional to 243,018,918.12, 335,284,011.36 and 158,207,419.23 is: 218,272,793.56
Step by Step Solution
- Step 1: Write the proportion equation
243,018,918.12 : 335,284,011.36 = 158,207,419.23 : x - Step 2: Convert to fraction form
243,018,918.12/335,284,011.36 = 158,207,419.23/x - Step 3: Cross multiply
243,018,918.12x = 335,284,011.36 × 158,207,419.23 - Step 4: Simplify right side
243,018,918.12x = 53,044,418,146,347,600 - Step 5: Solve for x
x = 53,044,418,146,347,600/243,018,918.12 - Step 6: Final answer
x = 218,272,793.56
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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.