Finding the Fourth Proportional to 261,120,922.02, 360,335,511.36 and 143,638,803.09
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Solution
The fourth proportional to 261,120,922.02, 360,335,511.36 and 143,638,803.09 is: 198,215,298.73
Step by Step Solution
- Step 1: Write the proportion equation
261,120,922.02 : 360,335,511.36 = 143,638,803.09 : x - Step 2: Convert to fraction form
261,120,922.02/360,335,511.36 = 143,638,803.09/x - Step 3: Cross multiply
261,120,922.02x = 360,335,511.36 × 143,638,803.09 - Step 4: Simplify right side
261,120,922.02x = 51,758,161,562,573,504 - Step 5: Solve for x
x = 51,758,161,562,573,504/261,120,922.02 - Step 6: Final answer
x = 198,215,298.73
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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.