Finding the Fourth Proportional to 87,796,051.35, 121,149,720.84 and 48,630,510.42
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Solution
The fourth proportional to 87,796,051.35, 121,149,720.84 and 48,630,510.42 is: 67,105,213.40
Step by Step Solution
- Step 1: Write the proportion equation
87,796,051.35 : 121,149,720.84 = 48,630,510.42 : x - Step 2: Convert to fraction form
87,796,051.35/121,149,720.84 = 48,630,510.42/x - Step 3: Cross multiply
87,796,051.35x = 121,149,720.84 × 48,630,510.42 - Step 4: Simplify right side
87,796,051.35x = 5,891,572,761,689,712 - Step 5: Solve for x
x = 5,891,572,761,689,712/87,796,051.35 - Step 6: Final answer
x = 67,105,213.40
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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.