Finding the Fourth Proportional to 201,762,973.20, 302,555,886.30 and 92,551,847.70
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Solution
The fourth proportional to 201,762,973.20, 302,555,886.30 and 92,551,847.70 is: 138,787,141.49
Step by Step Solution
- Step 1: Write the proportion equation
201,762,973.20 : 302,555,886.30 = 92,551,847.70 : x - Step 2: Convert to fraction form
201,762,973.20/302,555,886.30 = 92,551,847.70/x - Step 3: Cross multiply
201,762,973.20x = 302,555,886.30 × 92,551,847.70 - Step 4: Simplify right side
201,762,973.20x = 28,002,106,309,576,120 - Step 5: Solve for x
x = 28,002,106,309,576,120/201,762,973.20 - Step 6: Final answer
x = 138,787,141.49
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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.