Finding the Fourth Proportional to 80,756,164.10, 121,134,246.15 and 26,903,476.10
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Solution
The fourth proportional to 80,756,164.10, 121,134,246.15 and 26,903,476.10 is: 40,355,214.15
Step by Step Solution
- Step 1: Write the proportion equation
80,756,164.10 : 121,134,246.15 = 26,903,476.10 : x - Step 2: Convert to fraction form
80,756,164.10/121,134,246.15 = 26,903,476.10/x - Step 3: Cross multiply
80,756,164.10x = 121,134,246.15 × 26,903,476.10 - Step 4: Simplify right side
80,756,164.10x = 3,258,932,296,188,042.50 - Step 5: Solve for x
x = 3,258,932,296,188,042.50/80,756,164.10 - Step 6: Final answer
x = 40,355,214.15
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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.