Finding the Fourth Proportional to 51,167,709.21, 76,743,155.46 and 18,371,488.65
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Solution
The fourth proportional to 51,167,709.21, 76,743,155.46 and 18,371,488.65 is: 27,554,214.00
Step by Step Solution
- Step 1: Write the proportion equation
51,167,709.21 : 76,743,155.46 = 18,371,488.65 : x - Step 2: Convert to fraction form
51,167,709.21/76,743,155.46 = 18,371,488.65/x - Step 3: Cross multiply
51,167,709.21x = 76,743,155.46 × 18,371,488.65 - Step 4: Simplify right side
51,167,709.21x = 1,409,886,009,498,575.25 - Step 5: Solve for x
x = 1,409,886,009,498,575.25/51,167,709.21 - Step 6: Final answer
x = 27,554,214.00
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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.