Finding the Fourth Proportional to 65,239,842.70, 97,859,764.05 and 43,740,757.90
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Solution
The fourth proportional to 65,239,842.70, 97,859,764.05 and 43,740,757.90 is: 65,611,136.85
Step by Step Solution
- Step 1: Write the proportion equation
65,239,842.70 : 97,859,764.05 = 43,740,757.90 : x - Step 2: Convert to fraction form
65,239,842.70/97,859,764.05 = 43,740,757.90/x - Step 3: Cross multiply
65,239,842.70x = 97,859,764.05 × 43,740,757.90 - Step 4: Simplify right side
65,239,842.70x = 4,280,460,247,462,173 - Step 5: Solve for x
x = 4,280,460,247,462,173/65,239,842.70 - Step 6: Final answer
x = 65,611,136.85
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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.