Finding the Fourth Proportional to 91,499,942.14, 126,163,241.24 and 68,254,712.80
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Solution
The fourth proportional to 91,499,942.14, 126,163,241.24 and 68,254,712.80 is: 94,111,926.14
Step by Step Solution
- Step 1: Write the proportion equation
91,499,942.14 : 126,163,241.24 = 68,254,712.80 : x - Step 2: Convert to fraction form
91,499,942.14/126,163,241.24 = 68,254,712.80/x - Step 3: Cross multiply
91,499,942.14x = 126,163,241.24 × 68,254,712.80 - Step 4: Simplify right side
91,499,942.14x = 8,611,235,796,753,315 - Step 5: Solve for x
x = 8,611,235,796,753,315/91,499,942.14 - Step 6: Final answer
x = 94,111,926.14
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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.