Finding the Fourth Proportional to 55,882,615.80, 83,823,923.70 and 47,379,559.80
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Solution
The fourth proportional to 55,882,615.80, 83,823,923.70 and 47,379,559.80 is: 71,069,339.70
Step by Step Solution
- Step 1: Write the proportion equation
55,882,615.80 : 83,823,923.70 = 47,379,559.80 : x - Step 2: Convert to fraction form
55,882,615.80/83,823,923.70 = 47,379,559.80/x - Step 3: Cross multiply
55,882,615.80x = 83,823,923.70 × 47,379,559.80 - Step 4: Simplify right side
55,882,615.80x = 3,971,540,605,614,787 - Step 5: Solve for x
x = 3,971,540,605,614,787/55,882,615.80 - Step 6: Final answer
x = 71,069,339.70
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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.