Finding the Fourth Proportional to 69,946,801.20, 104,920,201.80 and 22,077,745.20
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Solution
The fourth proportional to 69,946,801.20, 104,920,201.80 and 22,077,745.20 is: 33,116,617.80
Step by Step Solution
- Step 1: Write the proportion equation
69,946,801.20 : 104,920,201.80 = 22,077,745.20 : x - Step 2: Convert to fraction form
69,946,801.20/104,920,201.80 = 22,077,745.20/x - Step 3: Cross multiply
69,946,801.20x = 104,920,201.80 × 22,077,745.20 - Step 4: Simplify right side
69,946,801.20x = 2,316,401,481,672,981 - Step 5: Solve for x
x = 2,316,401,481,672,981/69,946,801.20 - Step 6: Final answer
x = 33,116,617.80
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1.5x scale
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.