Finding the Fourth Proportional to 305,208,861.40, 457,841,285.70 and 100,737,386.20
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Solution
The fourth proportional to 305,208,861.40, 457,841,285.70 and 100,737,386.20 is: 151,115,318.88
Step by Step Solution
- Step 1: Write the proportion equation
305,208,861.40 : 457,841,285.70 = 100,737,386.20 : x - Step 2: Convert to fraction form
305,208,861.40/457,841,285.70 = 100,737,386.20/x - Step 3: Cross multiply
305,208,861.40x = 457,841,285.70 × 100,737,386.20 - Step 4: Simplify right side
305,208,861.40x = 46,121,734,415,865,440 - Step 5: Solve for x
x = 46,121,734,415,865,440/305,208,861.40 - Step 6: Final answer
x = 151,115,318.88
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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.