Finding the Fourth Proportional to 125,572,722.30, 187,990,748.11 and 88,051,232.21
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Solution
The fourth proportional to 125,572,722.30, 187,990,748.11 and 88,051,232.21 is: 131,818,572.63
Step by Step Solution
- Step 1: Write the proportion equation
125,572,722.30 : 187,990,748.11 = 88,051,232.21 : x - Step 2: Convert to fraction form
125,572,722.30/187,990,748.11 = 88,051,232.21/x - Step 3: Cross multiply
125,572,722.30x = 187,990,748.11 × 88,051,232.21 - Step 4: Simplify right side
125,572,722.30x = 16,552,817,015,165,228 - Step 5: Solve for x
x = 16,552,817,015,165,228/125,572,722.30 - Step 6: Final answer
x = 131,818,572.63
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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.