Finding the Fourth Proportional to 79,980,442.80, 110,376,419.67 and 44,698,246.80
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Solution
The fourth proportional to 79,980,442.80, 110,376,419.67 and 44,698,246.80 is: 61,685,485.53
Step by Step Solution
- Step 1: Write the proportion equation
79,980,442.80 : 110,376,419.67 = 44,698,246.80 : x - Step 2: Convert to fraction form
79,980,442.80/110,376,419.67 = 44,698,246.80/x - Step 3: Cross multiply
79,980,442.80x = 110,376,419.67 × 44,698,246.80 - Step 4: Simplify right side
79,980,442.80x = 4,933,632,447,310,034 - Step 5: Solve for x
x = 4,933,632,447,310,034/79,980,442.80 - Step 6: Final answer
x = 61,685,485.53
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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.