Finding the Fourth Proportional to 79,980,360.76, 110,376,306.55 and 44,698,164.85
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Solution
The fourth proportional to 79,980,360.76, 110,376,306.55 and 44,698,164.85 is: 61,685,372.49
Step by Step Solution
- Step 1: Write the proportion equation
79,980,360.76 : 110,376,306.55 = 44,698,164.85 : x - Step 2: Convert to fraction form
79,980,360.76/110,376,306.55 = 44,698,164.85/x - Step 3: Cross multiply
79,980,360.76x = 110,376,306.55 × 44,698,164.85 - Step 4: Simplify right side
79,980,360.76x = 4,933,618,345,279,011 - Step 5: Solve for x
x = 4,933,618,345,279,011/79,980,360.76 - Step 6: Final answer
x = 61,685,372.49
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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.