Finding the Fourth Proportional to 112,032,138.70, 168,048,208.05 and 26,931,594.70
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Solution
The fourth proportional to 112,032,138.70, 168,048,208.05 and 26,931,594.70 is: 40,397,392.05
Step by Step Solution
- Step 1: Write the proportion equation
112,032,138.70 : 168,048,208.05 = 26,931,594.70 : x - Step 2: Convert to fraction form
112,032,138.70/168,048,208.05 = 26,931,594.70/x - Step 3: Cross multiply
112,032,138.70x = 168,048,208.05 × 26,931,594.70 - Step 4: Simplify right side
112,032,138.70x = 4,525,806,229,263,878 - Step 5: Solve for x
x = 4,525,806,229,263,878/112,032,138.70 - Step 6: Final answer
x = 40,397,392.05
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Double scale
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Similar ratio
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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.