Finding the Fourth Proportional to 106,329,230.80, 159,493,846.20 and 38,163,065.20
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Solution
The fourth proportional to 106,329,230.80, 159,493,846.20 and 38,163,065.20 is: 57,244,597.80
Step by Step Solution
- Step 1: Write the proportion equation
106,329,230.80 : 159,493,846.20 = 38,163,065.20 : x - Step 2: Convert to fraction form
106,329,230.80/159,493,846.20 = 38,163,065.20/x - Step 3: Cross multiply
106,329,230.80x = 159,493,846.20 × 38,163,065.20 - Step 4: Simplify right side
106,329,230.80x = 6,086,774,051,529,372 - Step 5: Solve for x
x = 6,086,774,051,529,372/106,329,230.80 - Step 6: Final answer
x = 57,244,597.80
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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.