Finding the Fourth Proportional to 170,474,491.40, 255,744,914.70 and 73,430,011.40
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Solution
The fourth proportional to 170,474,491.40, 255,744,914.70 and 73,430,011.40 is: 110,159,307.99
Step by Step Solution
- Step 1: Write the proportion equation
170,474,491.40 : 255,744,914.70 = 73,430,011.40 : x - Step 2: Convert to fraction form
170,474,491.40/255,744,914.70 = 73,430,011.40/x - Step 3: Cross multiply
170,474,491.40x = 255,744,914.70 × 73,430,011.40 - Step 4: Simplify right side
170,474,491.40x = 18,779,352,001,913,028 - Step 5: Solve for x
x = 18,779,352,001,913,028/170,474,491.40 - Step 6: Final answer
x = 110,159,307.99
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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.