Finding the Fourth Proportional to 69,212,059.20, 103,706,114.40 and 43,607,246.40
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Solution
The fourth proportional to 69,212,059.20, 103,706,114.40 and 43,607,246.40 is: 65,340,319.82
Step by Step Solution
- Step 1: Write the proportion equation
69,212,059.20 : 103,706,114.40 = 43,607,246.40 : x - Step 2: Convert to fraction form
69,212,059.20/103,706,114.40 = 43,607,246.40/x - Step 3: Cross multiply
69,212,059.20x = 103,706,114.40 × 43,607,246.40 - Step 4: Simplify right side
69,212,059.20x = 4,522,338,083,827,388 - Step 5: Solve for x
x = 4,522,338,083,827,388/69,212,059.20 - Step 6: Final answer
x = 65,340,319.82
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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.