Finding the Fourth Proportional to 199,704,202.60, 299,052,419.10 and 159,393,418.60
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Solution
The fourth proportional to 199,704,202.60, 299,052,419.10 and 159,393,418.60 is: 238,687,953.49
Step by Step Solution
- Step 1: Write the proportion equation
199,704,202.60 : 299,052,419.10 = 159,393,418.60 : x - Step 2: Convert to fraction form
199,704,202.60/299,052,419.10 = 159,393,418.60/x - Step 3: Cross multiply
199,704,202.60x = 299,052,419.10 × 159,393,418.60 - Step 4: Simplify right side
199,704,202.60x = 47,666,987,420,948,936 - Step 5: Solve for x
x = 47,666,987,420,948,936/199,704,202.60 - Step 6: Final answer
x = 238,687,953.49
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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.