Finding the Fourth Proportional to 68,620,657.70, 102,930,986.55 and 59,054,719.70
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Solution
The fourth proportional to 68,620,657.70, 102,930,986.55 and 59,054,719.70 is: 88,582,079.55
Step by Step Solution
- Step 1: Write the proportion equation
68,620,657.70 : 102,930,986.55 = 59,054,719.70 : x - Step 2: Convert to fraction form
68,620,657.70/102,930,986.55 = 59,054,719.70/x - Step 3: Cross multiply
68,620,657.70x = 102,930,986.55 × 59,054,719.70 - Step 4: Simplify right side
68,620,657.70x = 6,078,560,559,154,720 - Step 5: Solve for x
x = 6,078,560,559,154,720/68,620,657.70 - Step 6: Final answer
x = 88,582,079.55
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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.