Finding the Fourth Proportional to 332,949,905.80, 499,424,858.70 and 87,306,065.80
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Solution
The fourth proportional to 332,949,905.80, 499,424,858.70 and 87,306,065.80 is: 130,959,098.70
Step by Step Solution
- Step 1: Write the proportion equation
332,949,905.80 : 499,424,858.70 = 87,306,065.80 : x - Step 2: Convert to fraction form
332,949,905.80/499,424,858.70 = 87,306,065.80/x - Step 3: Cross multiply
332,949,905.80x = 499,424,858.70 × 87,306,065.80 - Step 4: Simplify right side
332,949,905.80x = 43,602,819,575,817,896 - Step 5: Solve for x
x = 43,602,819,575,817,896/332,949,905.80 - Step 6: Final answer
x = 130,959,098.70
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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.