Finding the Fourth Proportional to 48,292,178.88, 66,642,890.88 and 27,388,191.36
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Solution
The fourth proportional to 48,292,178.88, 66,642,890.88 and 27,388,191.36 is: 37,795,524.88
Step by Step Solution
- Step 1: Write the proportion equation
48,292,178.88 : 66,642,890.88 = 27,388,191.36 : x - Step 2: Convert to fraction form
48,292,178.88/66,642,890.88 = 27,388,191.36/x - Step 3: Cross multiply
48,292,178.88x = 66,642,890.88 × 27,388,191.36 - Step 4: Simplify right side
48,292,178.88x = 1,825,228,248,205,038.75 - Step 5: Solve for x
x = 1,825,228,248,205,038.75/48,292,178.88 - Step 6: Final answer
x = 37,795,524.88
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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.