Finding the Fourth Proportional to 55,850,203.80, 83,775,305.70 and 15,460,687.80
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Solution
The fourth proportional to 55,850,203.80, 83,775,305.70 and 15,460,687.80 is: 23,191,031.70
Step by Step Solution
- Step 1: Write the proportion equation
55,850,203.80 : 83,775,305.70 = 15,460,687.80 : x - Step 2: Convert to fraction form
55,850,203.80/83,775,305.70 = 15,460,687.80/x - Step 3: Cross multiply
55,850,203.80x = 83,775,305.70 × 15,460,687.80 - Step 4: Simplify right side
55,850,203.80x = 1,295,223,846,777,260.50 - Step 5: Solve for x
x = 1,295,223,846,777,260.50/55,850,203.80 - Step 6: Final answer
x = 23,191,031.70
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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.