Finding the Fourth Proportional to 69,819,647.97, 96,351,113.34 and 40,468,005.62
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Solution
The fourth proportional to 69,819,647.97, 96,351,113.34 and 40,468,005.62 is: 55,845,847.25
Step by Step Solution
- Step 1: Write the proportion equation
69,819,647.97 : 96,351,113.34 = 40,468,005.62 : x - Step 2: Convert to fraction form
69,819,647.97/96,351,113.34 = 40,468,005.62/x - Step 3: Cross multiply
69,819,647.97x = 96,351,113.34 × 40,468,005.62 - Step 4: Simplify right side
69,819,647.97x = 3,899,137,395,452,281.50 - Step 5: Solve for x
x = 3,899,137,395,452,281.50/69,819,647.97 - Step 6: Final answer
x = 55,845,847.25
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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.