Finding the Fourth Proportional to 276,135,640.08, 414,095,815.92 and 103,518,267.12
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Solution
The fourth proportional to 276,135,640.08, 414,095,815.92 and 103,518,267.12 is: 155,237,046.81
Step by Step Solution
- Step 1: Write the proportion equation
276,135,640.08 : 414,095,815.92 = 103,518,267.12 : x - Step 2: Convert to fraction form
276,135,640.08/414,095,815.92 = 103,518,267.12/x - Step 3: Cross multiply
276,135,640.08x = 414,095,815.92 × 103,518,267.12 - Step 4: Simplify right side
276,135,640.08x = 42,866,481,285,680,912 - Step 5: Solve for x
x = 42,866,481,285,680,912/276,135,640.08 - Step 6: Final answer
x = 155,237,046.81
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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.