Finding the Fourth Proportional to 70,985,511.91, 106,467,610.75 and 22,457,059.93
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Solution
The fourth proportional to 70,985,511.91, 106,467,610.75 and 22,457,059.93 is: 33,682,218.40
Step by Step Solution
- Step 1: Write the proportion equation
70,985,511.91 : 106,467,610.75 = 22,457,059.93 : x - Step 2: Convert to fraction form
70,985,511.91/106,467,610.75 = 22,457,059.93/x - Step 3: Cross multiply
70,985,511.91x = 106,467,610.75 × 22,457,059.93 - Step 4: Simplify right side
70,985,511.91x = 2,390,949,515,216,662 - Step 5: Solve for x
x = 2,390,949,515,216,662/70,985,511.91 - Step 6: Final answer
x = 33,682,218.40
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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.