Finding the Fourth Proportional to 80,226,494.56, 120,408,457.36 and 79,622,620.08
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Solution
The fourth proportional to 80,226,494.56, 120,408,457.36 and 79,622,620.08 is: 119,502,128.41
Step by Step Solution
- Step 1: Write the proportion equation
80,226,494.56 : 120,408,457.36 = 79,622,620.08 : x - Step 2: Convert to fraction form
80,226,494.56/120,408,457.36 = 79,622,620.08/x - Step 3: Cross multiply
80,226,494.56x = 120,408,457.36 × 79,622,620.08 - Step 4: Simplify right side
80,226,494.56x = 9,587,236,854,794,160 - Step 5: Solve for x
x = 9,587,236,854,794,160/80,226,494.56 - Step 6: Final answer
x = 119,502,128.41
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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.