Finding the Fourth Proportional to 51,015,369.12, 76,572,378.09 and 48,250,215.15
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Solution
The fourth proportional to 51,015,369.12, 76,572,378.09 and 48,250,215.15 is: 72,421,973.64
Step by Step Solution
- Step 1: Write the proportion equation
51,015,369.12 : 76,572,378.09 = 48,250,215.15 : x - Step 2: Convert to fraction form
51,015,369.12/76,572,378.09 = 48,250,215.15/x - Step 3: Cross multiply
51,015,369.12x = 76,572,378.09 × 48,250,215.15 - Step 4: Simplify right side
51,015,369.12x = 3,694,633,717,389,646 - Step 5: Solve for x
x = 3,694,633,717,389,646/51,015,369.12 - Step 6: Final answer
x = 72,421,973.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.