Finding the Fourth Proportional to 71,317,859.43, 106,971,556.75 and 22,782,681.53
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Solution
The fourth proportional to 71,317,859.43, 106,971,556.75 and 22,782,681.53 is: 34,172,350.78
Step by Step Solution
- Step 1: Write the proportion equation
71,317,859.43 : 106,971,556.75 = 22,782,681.53 : x - Step 2: Convert to fraction form
71,317,859.43/106,971,556.75 = 22,782,681.53/x - Step 3: Cross multiply
71,317,859.43x = 106,971,556.75 × 22,782,681.53 - Step 4: Simplify right side
71,317,859.43x = 2,437,098,909,554,800.50 - Step 5: Solve for x
x = 2,437,098,909,554,800.50/71,317,859.43 - Step 6: Final answer
x = 34,172,350.78
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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.