Finding the Fourth Proportional to 86,282,751.13, 119,072,775.12 and 47,126,375.08
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Solution
The fourth proportional to 86,282,751.13, 119,072,775.12 and 47,126,375.08 is: 65,035,805.98
Step by Step Solution
- Step 1: Write the proportion equation
86,282,751.13 : 119,072,775.12 = 47,126,375.08 : x - Step 2: Convert to fraction form
86,282,751.13/119,072,775.12 = 47,126,375.08/x - Step 3: Cross multiply
86,282,751.13x = 119,072,775.12 × 47,126,375.08 - Step 4: Simplify right side
86,282,751.13x = 5,611,468,261,526,249 - Step 5: Solve for x
x = 5,611,468,261,526,249/86,282,751.13 - Step 6: Final answer
x = 65,035,805.98
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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.