Finding the Fourth Proportional to 83,207,828.40, 124,811,742.60 and 37,769,622.90
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Solution
The fourth proportional to 83,207,828.40, 124,811,742.60 and 37,769,622.90 is: 56,654,434.35
Step by Step Solution
- Step 1: Write the proportion equation
83,207,828.40 : 124,811,742.60 = 37,769,622.90 : x - Step 2: Convert to fraction form
83,207,828.40/124,811,742.60 = 37,769,622.90/x - Step 3: Cross multiply
83,207,828.40x = 124,811,742.60 × 37,769,622.90 - Step 4: Simplify right side
83,207,828.40x = 4,714,092,451,493,865 - Step 5: Solve for x
x = 4,714,092,451,493,865/83,207,828.40 - Step 6: Final answer
x = 56,654,434.35
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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.