Finding the Fourth Proportional to 119,927,722.12, 165,500,311.98 and 64,923,578.68
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Solution
The fourth proportional to 119,927,722.12, 165,500,311.98 and 64,923,578.68 is: 89,594,568.60
Step by Step Solution
- Step 1: Write the proportion equation
119,927,722.12 : 165,500,311.98 = 64,923,578.68 : x - Step 2: Convert to fraction form
119,927,722.12/165,500,311.98 = 64,923,578.68/x - Step 3: Cross multiply
119,927,722.12x = 165,500,311.98 × 64,923,578.68 - Step 4: Simplify right side
119,927,722.12x = 10,744,872,526,398,076 - Step 5: Solve for x
x = 10,744,872,526,398,076/119,927,722.12 - Step 6: Final answer
x = 89,594,568.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.