Finding the Fourth Proportional to 80,226,495.56, 120,408,458.86 and 79,622,621.08
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Solution
The fourth proportional to 80,226,495.56, 120,408,458.86 and 79,622,621.08 is: 119,502,129.91
Step by Step Solution
- Step 1: Write the proportion equation
80,226,495.56 : 120,408,458.86 = 79,622,621.08 : x - Step 2: Convert to fraction form
80,226,495.56/120,408,458.86 = 79,622,621.08/x - Step 3: Cross multiply
80,226,495.56x = 120,408,458.86 × 79,622,621.08 - Step 4: Simplify right side
80,226,495.56x = 9,587,237,094,636,548 - Step 5: Solve for x
x = 9,587,237,094,636,548/80,226,495.56 - Step 6: Final answer
x = 119,502,129.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.