Finding the Fourth Proportional to 79,492,912.60, 119,239,368.90 and 73,753,349.80
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Solution
The fourth proportional to 79,492,912.60, 119,239,368.90 and 73,753,349.80 is: 110,630,024.70
Step by Step Solution
- Step 1: Write the proportion equation
79,492,912.60 : 119,239,368.90 = 73,753,349.80 : x - Step 2: Convert to fraction form
79,492,912.60/119,239,368.90 = 73,753,349.80/x - Step 3: Cross multiply
79,492,912.60x = 119,239,368.90 × 73,753,349.80 - Step 4: Simplify right side
79,492,912.60x = 8,794,302,884,412,941 - Step 5: Solve for x
x = 8,794,302,884,412,941/79,492,912.60 - Step 6: Final answer
x = 110,630,024.70
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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.