Finding the Fourth Proportional to 140,880,120.55, 211,321,807.48 and 42,512,678.99
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Solution
The fourth proportional to 140,880,120.55, 211,321,807.48 and 42,512,678.99 is: 63,769,509.35
Step by Step Solution
- Step 1: Write the proportion equation
140,880,120.55 : 211,321,807.48 = 42,512,678.99 : x - Step 2: Convert to fraction form
140,880,120.55/211,321,807.48 = 42,512,678.99/x - Step 3: Cross multiply
140,880,120.55x = 211,321,807.48 × 42,512,678.99 - Step 4: Simplify right side
140,880,120.55x = 8,983,856,164,652,924 - Step 5: Solve for x
x = 8,983,856,164,652,924/140,880,120.55 - Step 6: Final answer
x = 63,769,509.35
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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.