Finding the Fourth Proportional to 134,762,028.57, 185,971,723.41 and 72,882,367.11
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Solution
The fourth proportional to 134,762,028.57, 185,971,723.41 and 72,882,367.11 is: 100,577,733.66
Step by Step Solution
- Step 1: Write the proportion equation
134,762,028.57 : 185,971,723.41 = 72,882,367.11 : x - Step 2: Convert to fraction form
134,762,028.57/185,971,723.41 = 72,882,367.11/x - Step 3: Cross multiply
134,762,028.57x = 185,971,723.41 × 72,882,367.11 - Step 4: Simplify right side
134,762,028.57x = 13,554,059,417,647,000 - Step 5: Solve for x
x = 13,554,059,417,647,000/134,762,028.57 - Step 6: Final answer
x = 100,577,733.66
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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.