Finding the Fourth Proportional to 84,254,956.40, 126,382,434.60 and 58,724,793.20
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Solution
The fourth proportional to 84,254,956.40, 126,382,434.60 and 58,724,793.20 is: 88,087,189.80
Step by Step Solution
- Step 1: Write the proportion equation
84,254,956.40 : 126,382,434.60 = 58,724,793.20 : x - Step 2: Convert to fraction form
84,254,956.40/126,382,434.60 = 58,724,793.20/x - Step 3: Cross multiply
84,254,956.40x = 126,382,434.60 × 58,724,793.20 - Step 4: Simplify right side
84,254,956.40x = 7,421,782,335,997,525 - Step 5: Solve for x
x = 7,421,782,335,997,525/84,254,956.40 - Step 6: Final answer
x = 88,087,189.80
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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.