Finding the Fourth Proportional to 140,880,121.55, 211,321,808.98 and 42,512,679.99
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Solution
The fourth proportional to 140,880,121.55, 211,321,808.98 and 42,512,679.99 is: 63,769,510.85
Step by Step Solution
- Step 1: Write the proportion equation
140,880,121.55 : 211,321,808.98 = 42,512,679.99 : x - Step 2: Convert to fraction form
140,880,121.55/211,321,808.98 = 42,512,679.99/x - Step 3: Cross multiply
140,880,121.55x = 211,321,808.98 × 42,512,679.99 - Step 4: Simplify right side
140,880,121.55x = 8,983,856,440,074,648 - Step 5: Solve for x
x = 8,983,856,440,074,648/140,880,121.55 - Step 6: Final answer
x = 63,769,510.85
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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.