Finding the Fourth Proportional to 267,778,982.98, 369,522,557.72 and 148,709,135.26
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Solution
The fourth proportional to 267,778,982.98, 369,522,557.72 and 148,709,135.26 is: 205,211,698.86
Step by Step Solution
- Step 1: Write the proportion equation
267,778,982.98 : 369,522,557.72 = 148,709,135.26 : x - Step 2: Convert to fraction form
267,778,982.98/369,522,557.72 = 148,709,135.26/x - Step 3: Cross multiply
267,778,982.98x = 369,522,557.72 × 148,709,135.26 - Step 4: Simplify right side
267,778,982.98x = 54,951,380,016,861,088 - Step 5: Solve for x
x = 54,951,380,016,861,088/267,778,982.98 - Step 6: Final answer
x = 205,211,698.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.