Finding the Fourth Proportional to 130,263,807.48, 195,396,385.20 and 76,373,328.12
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Solution
The fourth proportional to 130,263,807.48, 195,396,385.20 and 76,373,328.12 is: 114,560,387.33
Step by Step Solution
- Step 1: Write the proportion equation
130,263,807.48 : 195,396,385.20 = 76,373,328.12 : x - Step 2: Convert to fraction form
130,263,807.48/195,396,385.20 = 76,373,328.12/x - Step 3: Cross multiply
130,263,807.48x = 195,396,385.20 × 76,373,328.12 - Step 4: Simplify right side
130,263,807.48x = 14,923,072,240,341,512 - Step 5: Solve for x
x = 14,923,072,240,341,512/130,263,807.48 - Step 6: Final answer
x = 114,560,387.33
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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.