Finding the Fourth Proportional to 115,924,982.70, 173,887,474.05 and 70,575,350.70
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Solution
The fourth proportional to 115,924,982.70, 173,887,474.05 and 70,575,350.70 is: 105,863,026.05
Step by Step Solution
- Step 1: Write the proportion equation
115,924,982.70 : 173,887,474.05 = 70,575,350.70 : x - Step 2: Convert to fraction form
115,924,982.70/173,887,474.05 = 70,575,350.70/x - Step 3: Cross multiply
115,924,982.70x = 173,887,474.05 × 70,575,350.70 - Step 4: Simplify right side
115,924,982.70x = 12,272,169,463,415,900 - Step 5: Solve for x
x = 12,272,169,463,415,900/115,924,982.70 - Step 6: Final answer
x = 105,863,026.05
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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.