Finding the Fourth Proportional to 332,432,555.40, 498,648,833.10 and 102,472,129.80
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Solution
The fourth proportional to 332,432,555.40, 498,648,833.10 and 102,472,129.80 is: 153,708,194.70
Step by Step Solution
- Step 1: Write the proportion equation
332,432,555.40 : 498,648,833.10 = 102,472,129.80 : x - Step 2: Convert to fraction form
332,432,555.40/498,648,833.10 = 102,472,129.80/x - Step 3: Cross multiply
332,432,555.40x = 498,648,833.10 × 102,472,129.80 - Step 4: Simplify right side
332,432,555.40x = 51,097,607,950,041,736 - Step 5: Solve for x
x = 51,097,607,950,041,736/332,432,555.40 - Step 6: Final answer
x = 153,708,194.70
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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.