Finding the Fourth Proportional to 58,251,467.28, 80,388,729.12 and 31,791,518.23
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Solution
The fourth proportional to 58,251,467.28, 80,388,729.12 and 31,791,518.23 is: 43,873,225.28
Step by Step Solution
- Step 1: Write the proportion equation
58,251,467.28 : 80,388,729.12 = 31,791,518.23 : x - Step 2: Convert to fraction form
58,251,467.28/80,388,729.12 = 31,791,518.23/x - Step 3: Cross multiply
58,251,467.28x = 80,388,729.12 × 31,791,518.23 - Step 4: Simplify right side
58,251,467.28x = 2,555,679,747,284,494 - Step 5: Solve for x
x = 2,555,679,747,284,494/58,251,467.28 - Step 6: Final answer
x = 43,873,225.28
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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.