Finding the Fourth Proportional to 106,490,324.40, 159,452,051.40 and 67,943,137.20
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Solution
The fourth proportional to 106,490,324.40, 159,452,051.40 and 67,943,137.20 is: 101,733,867.99
Step by Step Solution
- Step 1: Write the proportion equation
106,490,324.40 : 159,452,051.40 = 67,943,137.20 : x - Step 2: Convert to fraction form
106,490,324.40/159,452,051.40 = 67,943,137.20/x - Step 3: Cross multiply
106,490,324.40x = 159,452,051.40 × 67,943,137.20 - Step 4: Simplify right side
106,490,324.40x = 10,833,672,605,091,652 - Step 5: Solve for x
x = 10,833,672,605,091,652/106,490,324.40 - Step 6: Final answer
x = 101,733,867.99
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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.