Finding the Fourth Proportional to 55,009,791.30, 82,454,422.95 and 27,672,485.70
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Solution
The fourth proportional to 55,009,791.30, 82,454,422.95 and 27,672,485.70 is: 41,478,412.95
Step by Step Solution
- Step 1: Write the proportion equation
55,009,791.30 : 82,454,422.95 = 27,672,485.70 : x - Step 2: Convert to fraction form
55,009,791.30/82,454,422.95 = 27,672,485.70/x - Step 3: Cross multiply
55,009,791.30x = 82,454,422.95 × 27,672,485.70 - Step 4: Simplify right side
55,009,791.30x = 2,281,718,839,985,627 - Step 5: Solve for x
x = 2,281,718,839,985,627/55,009,791.30 - Step 6: Final answer
x = 41,478,412.95
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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.