Finding the Fourth Proportional to 56,062,031.80, 84,093,047.70 and 55,117,247.80
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Solution
The fourth proportional to 56,062,031.80, 84,093,047.70 and 55,117,247.80 is: 82,675,871.70
Step by Step Solution
- Step 1: Write the proportion equation
56,062,031.80 : 84,093,047.70 = 55,117,247.80 : x - Step 2: Convert to fraction form
56,062,031.80/84,093,047.70 = 55,117,247.80/x - Step 3: Cross multiply
56,062,031.80x = 84,093,047.70 × 55,117,247.80 - Step 4: Simplify right side
56,062,031.80x = 4,634,977,348,338,120 - Step 5: Solve for x
x = 4,634,977,348,338,120/56,062,031.80 - Step 6: Final answer
x = 82,675,871.70
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1.5x scale
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.