Finding the Fourth Proportional to 157,464,677.10, 236,197,015.65 and 80,937,173.10
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Solution
The fourth proportional to 157,464,677.10, 236,197,015.65 and 80,937,173.10 is: 121,405,759.65
Step by Step Solution
- Step 1: Write the proportion equation
157,464,677.10 : 236,197,015.65 = 80,937,173.10 : x - Step 2: Convert to fraction form
157,464,677.10/236,197,015.65 = 80,937,173.10/x - Step 3: Cross multiply
157,464,677.10x = 236,197,015.65 × 80,937,173.10 - Step 4: Simplify right side
157,464,677.10x = 19,117,118,741,367,460 - Step 5: Solve for x
x = 19,117,118,741,367,460/157,464,677.10 - Step 6: Final answer
x = 121,405,759.65
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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.