Finding the Fourth Proportional to 68,180,023.60, 94,087,811.46 and 37,240,184.68
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Solution
The fourth proportional to 68,180,023.60, 94,087,811.46 and 37,240,184.68 is: 51,391,115.61
Step by Step Solution
- Step 1: Write the proportion equation
68,180,023.60 : 94,087,811.46 = 37,240,184.68 : x - Step 2: Convert to fraction form
68,180,023.60/94,087,811.46 = 37,240,184.68/x - Step 3: Cross multiply
68,180,023.60x = 94,087,811.46 × 37,240,184.68 - Step 4: Simplify right side
68,180,023.60x = 3,503,847,474,907,420 - Step 5: Solve for x
x = 3,503,847,474,907,420/68,180,023.60 - Step 6: Final answer
x = 51,391,115.61
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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.