Finding the Fourth Proportional to 324,809,000.14, 487,242,130.74 and 91,641,754.57
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Solution
The fourth proportional to 324,809,000.14, 487,242,130.74 and 91,641,754.57 is: 137,470,709.69
Step by Step Solution
- Step 1: Write the proportion equation
324,809,000.14 : 487,242,130.74 = 91,641,754.57 : x - Step 2: Convert to fraction form
324,809,000.14/487,242,130.74 = 91,641,754.57/x - Step 3: Cross multiply
324,809,000.14x = 487,242,130.74 × 91,641,754.57 - Step 4: Simplify right side
324,809,000.14x = 44,651,723,761,438,928 - Step 5: Solve for x
x = 44,651,723,761,438,928/324,809,000.14 - Step 6: Final answer
x = 137,470,709.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.