Finding the Fourth Proportional to 180,435,083.08, 270,766,478.90 and 76,804,122.92
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Solution
The fourth proportional to 180,435,083.08, 270,766,478.90 and 76,804,122.92 is: 115,254,647.68
Step by Step Solution
- Step 1: Write the proportion equation
180,435,083.08 : 270,766,478.90 = 76,804,122.92 : x - Step 2: Convert to fraction form
180,435,083.08/270,766,478.90 = 76,804,122.92/x - Step 3: Cross multiply
180,435,083.08x = 270,766,478.90 × 76,804,122.92 - Step 4: Simplify right side
180,435,083.08x = 20,795,981,928,920,112 - Step 5: Solve for x
x = 20,795,981,928,920,112/180,435,083.08 - Step 6: Final answer
x = 115,254,647.68
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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.