Finding the Fourth Proportional to 112,032,135.20, 168,048,202.80 and 26,931,591.20
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Solution
The fourth proportional to 112,032,135.20, 168,048,202.80 and 26,931,591.20 is: 40,397,386.80
Step by Step Solution
- Step 1: Write the proportion equation
112,032,135.20 : 168,048,202.80 = 26,931,591.20 : x - Step 2: Convert to fraction form
112,032,135.20/168,048,202.80 = 26,931,591.20/x - Step 3: Cross multiply
112,032,135.20x = 168,048,202.80 × 26,931,591.20 - Step 4: Simplify right side
112,032,135.20x = 4,525,805,499,704,296 - Step 5: Solve for x
x = 4,525,805,499,704,296/112,032,135.20 - Step 6: Final answer
x = 40,397,386.80
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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.