Finding the Fourth Proportional to 71,084,118.74, 106,630,311.54 and 19,970,123.36
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Solution
The fourth proportional to 71,084,118.74, 106,630,311.54 and 19,970,123.36 is: 29,956,346.27
Step by Step Solution
- Step 1: Write the proportion equation
71,084,118.74 : 106,630,311.54 = 19,970,123.36 : x - Step 2: Convert to fraction form
71,084,118.74/106,630,311.54 = 19,970,123.36/x - Step 3: Cross multiply
71,084,118.74x = 106,630,311.54 × 19,970,123.36 - Step 4: Simplify right side
71,084,118.74x = 2,129,420,474,835,880.25 - Step 5: Solve for x
x = 2,129,420,474,835,880.25/71,084,118.74 - Step 6: Final answer
x = 29,956,346.27
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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.