Finding the Fourth Proportional to 95,846,331.80, 143,769,497.70 and 78,840,219.80
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Solution
The fourth proportional to 95,846,331.80, 143,769,497.70 and 78,840,219.80 is: 118,260,329.70
Step by Step Solution
- Step 1: Write the proportion equation
95,846,331.80 : 143,769,497.70 = 78,840,219.80 : x - Step 2: Convert to fraction form
95,846,331.80/143,769,497.70 = 78,840,219.80/x - Step 3: Cross multiply
95,846,331.80x = 143,769,497.70 × 78,840,219.80 - Step 4: Simplify right side
95,846,331.80x = 11,334,818,799,203,594 - Step 5: Solve for x
x = 11,334,818,799,203,594/95,846,331.80 - Step 6: Final answer
x = 118,260,329.70
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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.