Finding the Fourth Proportional to 82,943,999.10, 124,415,998.65 and 75,889,611.90
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Solution
The fourth proportional to 82,943,999.10, 124,415,998.65 and 75,889,611.90 is: 113,834,417.85
Step by Step Solution
- Step 1: Write the proportion equation
82,943,999.10 : 124,415,998.65 = 75,889,611.90 : x - Step 2: Convert to fraction form
82,943,999.10/124,415,998.65 = 75,889,611.90/x - Step 3: Cross multiply
82,943,999.10x = 124,415,998.65 × 75,889,611.90 - Step 4: Simplify right side
82,943,999.10x = 9,441,881,851,699,426 - Step 5: Solve for x
x = 9,441,881,851,699,426/82,943,999.10 - Step 6: Final answer
x = 113,834,417.85
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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.