Finding the Fourth Proportional to 177,462,407.80, 266,193,611.70 and 81,910,919.80
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Solution
The fourth proportional to 177,462,407.80, 266,193,611.70 and 81,910,919.80 is: 122,866,379.70
Step by Step Solution
- Step 1: Write the proportion equation
177,462,407.80 : 266,193,611.70 = 81,910,919.80 : x - Step 2: Convert to fraction form
177,462,407.80/266,193,611.70 = 81,910,919.80/x - Step 3: Cross multiply
177,462,407.80x = 266,193,611.70 × 81,910,919.80 - Step 4: Simplify right side
177,462,407.80x = 21,804,163,579,231,040 - Step 5: Solve for x
x = 21,804,163,579,231,040/177,462,407.80 - Step 6: Final answer
x = 122,866,379.70
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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.